21875482020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2\times {\mathrm{1657}}^1$

素因数の和:1779

約数の個数: 288

約数和(自身を含む): 75928866048

約数和(自身を除く): 54053384028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 43, 51, 60, 68, 70, 84, 85, 86, 102, 105, 119, 129, 140, 170, 172, 204, 210, 215, 238, 255, 258, 301, 340, 357, 420, 430, 476, 510, 516, 595, 602, 645, 714, 731, 860, 903, 1020, 1190, 1204, 1290, 1428, 1462, 1505, 1657, 1785, 1806, 1849, 2193, 2380, 2580, 2924, 3010, 3314, 3570, 3612, 3655, 3698, 4386, 4515, 4971, 5117, 5547, 6020, 6628, 7140, 7310, 7396, 8285, 8772, 9030, 9245, 9942, 10234, 10965, 11094, 11599, 12943, 14620, 15351, 16570, 18060, 18490, 19884, 20468, 21930, 22188, 23198, 24855, 25585, 25886, 27735, 28169, 30702, 31433, 33140, 34797, 36980, 38829, 43860, 46396, 49710, 51170, 51772, 55470, 56338, 57995, 61404, 62866, 64715, 69594, 71251, 76755, 77658, 84507, 94299, 99420, 102340, 110940, 112676, 115990, 125732, 129430, 139188, 140845, 142502, 153510, 155316, 157165, 169014, 173985, 188598, 194145, 197183, 213753, 220031, 231980, 258860, 281690, 285004, 307020, 314330, 338028, 347970, 356255, 377196, 388290, 394366, 422535, 427506, 440062, 471495, 498757, 563380, 591549, 628660, 660093, 695940, 712510, 776580, 788732, 845070, 855012, 880124, 942990, 985915, 997514, 1068765, 1100155, 1183098, 1211267, 1320186, 1425020, 1496271, 1690140, 1885980, 1971830, 1995028, 2137530, 2200310, 2366196, 2422534, 2493785, 2640372, 2957745, 2992542, 3063793, 3300465, 3633801, 3943660, 4275060, 4400620, 4845068, 4987570, 5915490, 5985084, 6056335, 6127586, 6600930, 7267602, 7481355, 8478869, 9191379, 9975140, 11830980, 12112670, 12255172, 13201860, 14535204, 14962710, 15318965, 16957738, 18169005, 18382758, 21446551, 24225340, 25436607, 29925420, 30637930, 33915476, 36338010, 36765516, 42394345, 42893102, 45956895, 50873214, 52084481, 61275860, 64339653, 72676020, 84788690, 85786204, 91913790, 101746428, 104168962, 107232755, 127183035, 128679306, 156253443, 169577380, 183827580, 208337924, 214465510, 254366070, 257358612, 260422405, 312506886, 321698265, 364591367, 428931020, 508732140, 520844810, 625013772, 643396530, 729182734, 781267215, 1041689620, 1093774101, 1286793060, 1458365468, 1562534430, 1822956835, 2187548202, 3125068860, 3645913670, 4375096404, 5468870505, 7291827340, 10937741010, 21875482020]

約数ペア:

[(1, 21875482020), (2, 10937741010), (3, 7291827340), (4, 5468870505), (5, 4375096404), (6, 3645913670), (7, 3125068860), (10, 2187548202), (12, 1822956835), (14, 1562534430), (15, 1458365468), (17, 1286793060), (20, 1093774101), (21, 1041689620), (28, 781267215), (30, 729182734), (34, 643396530), (35, 625013772), (42, 520844810), (43, 508732140), (51, 428931020), (60, 364591367), (68, 321698265), (70, 312506886), (84, 260422405), (85, 257358612), (86, 254366070), (102, 214465510), (105, 208337924), (119, 183827580), (129, 169577380), (140, 156253443), (170, 128679306), (172, 127183035), (204, 107232755), (210, 104168962), (215, 101746428), (238, 91913790), (255, 85786204), (258, 84788690), (301, 72676020), (340, 64339653), (357, 61275860), (420, 52084481), (430, 50873214), (476, 45956895), (510, 42893102), (516, 42394345), (595, 36765516), (602, 36338010), (645, 33915476), (714, 30637930), (731, 29925420), (860, 25436607), (903, 24225340), (1020, 21446551), (1190, 18382758), (1204, 18169005), (1290, 16957738), (1428, 15318965), (1462, 14962710), (1505, 14535204), (1657, 13201860), (1785, 12255172), (1806, 12112670), (1849, 11830980), (2193, 9975140), (2380, 9191379), (2580, 8478869), (2924, 7481355), (3010, 7267602), (3314, 6600930), (3570, 6127586), (3612, 6056335), (3655, 5985084), (3698, 5915490), (4386, 4987570), (4515, 4845068), (4971, 4400620), (5117, 4275060), (5547, 3943660), (6020, 3633801), (6628, 3300465), (7140, 3063793), (7310, 2992542), (7396, 2957745), (8285, 2640372), (8772, 2493785), (9030, 2422534), (9245, 2366196), (9942, 2200310), (10234, 2137530), (10965, 1995028), (11094, 1971830), (11599, 1885980), (12943, 1690140), (14620, 1496271), (15351, 1425020), (16570, 1320186), (18060, 1211267), (18490, 1183098), (19884, 1100155), (20468, 1068765), (21930, 997514), (22188, 985915), (23198, 942990), (24855, 880124), (25585, 855012), (25886, 845070), (27735, 788732), (28169, 776580), (30702, 712510), (31433, 695940), (33140, 660093), (34797, 628660), (36980, 591549), (38829, 563380), (43860, 498757), (46396, 471495), (49710, 440062), (51170, 427506), (51772, 422535), (55470, 394366), (56338, 388290), (57995, 377196), (61404, 356255), (62866, 347970), (64715, 338028), (69594, 314330), (71251, 307020), (76755, 285004), (77658, 281690), (84507, 258860), (94299, 231980), (99420, 220031), (102340, 213753), (110940, 197183), (112676, 194145), (115990, 188598), (125732, 173985), (129430, 169014), (139188, 157165), (140845, 155316), (142502, 153510)]