21184764020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{709}}^1$

素因数の和:1030

約数の個数: 192

約数和(自身を含む): 54964224000

約数和(自身を除く): 33779459980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 47, 70, 76, 94, 95, 133, 140, 188, 190, 235, 239, 266, 329, 380, 470, 478, 532, 658, 665, 709, 893, 940, 956, 1195, 1316, 1330, 1418, 1645, 1673, 1786, 2390, 2660, 2836, 3290, 3346, 3545, 3572, 4465, 4541, 4780, 4963, 6251, 6580, 6692, 7090, 8365, 8930, 9082, 9926, 11233, 12502, 13471, 14180, 16730, 17860, 18164, 19852, 22466, 22705, 24815, 25004, 26942, 31255, 31787, 33323, 33460, 44932, 45410, 49630, 53884, 56165, 62510, 63574, 66646, 67355, 78631, 90820, 94297, 99260, 112330, 125020, 127148, 133292, 134710, 157262, 158935, 166615, 169451, 188594, 213427, 224660, 233261, 269420, 314524, 317870, 333230, 338902, 377188, 393155, 426854, 466522, 471485, 633137, 635740, 666460, 677804, 786310, 847255, 853708, 933044, 942970, 1067135, 1166305, 1186157, 1266274, 1493989, 1572620, 1694510, 1885940, 2134270, 2332610, 2372314, 2532548, 2987978, 3165685, 3219569, 3389020, 4268540, 4431959, 4665220, 4744628, 5930785, 5975956, 6331370, 6439138, 7469945, 7964197, 8863918, 11861570, 12662740, 12878276, 14939890, 15928394, 16097845, 17727836, 22159795, 22536983, 23723140, 29879780, 31856788, 32195690, 39820985, 44319590, 45073966, 55749379, 64391380, 79641970, 88639180, 90147932, 111498758, 112684915, 151319743, 159283940, 222997516, 225369830, 278746895, 302639486, 450739660, 557493790, 605278972, 756598715, 1059238201, 1114987580, 1513197430, 2118476402, 3026394860, 4236952804, 5296191005, 10592382010, 21184764020]

約数ペア:

[(1, 21184764020), (2, 10592382010), (4, 5296191005), (5, 4236952804), (7, 3026394860), (10, 2118476402), (14, 1513197430), (19, 1114987580), (20, 1059238201), (28, 756598715), (35, 605278972), (38, 557493790), (47, 450739660), (70, 302639486), (76, 278746895), (94, 225369830), (95, 222997516), (133, 159283940), (140, 151319743), (188, 112684915), (190, 111498758), (235, 90147932), (239, 88639180), (266, 79641970), (329, 64391380), (380, 55749379), (470, 45073966), (478, 44319590), (532, 39820985), (658, 32195690), (665, 31856788), (709, 29879780), (893, 23723140), (940, 22536983), (956, 22159795), (1195, 17727836), (1316, 16097845), (1330, 15928394), (1418, 14939890), (1645, 12878276), (1673, 12662740), (1786, 11861570), (2390, 8863918), (2660, 7964197), (2836, 7469945), (3290, 6439138), (3346, 6331370), (3545, 5975956), (3572, 5930785), (4465, 4744628), (4541, 4665220), (4780, 4431959), (4963, 4268540), (6251, 3389020), (6580, 3219569), (6692, 3165685), (7090, 2987978), (8365, 2532548), (8930, 2372314), (9082, 2332610), (9926, 2134270), (11233, 1885940), (12502, 1694510), (13471, 1572620), (14180, 1493989), (16730, 1266274), (17860, 1186157), (18164, 1166305), (19852, 1067135), (22466, 942970), (22705, 933044), (24815, 853708), (25004, 847255), (26942, 786310), (31255, 677804), (31787, 666460), (33323, 635740), (33460, 633137), (44932, 471485), (45410, 466522), (49630, 426854), (53884, 393155), (56165, 377188), (62510, 338902), (63574, 333230), (66646, 317870), (67355, 314524), (78631, 269420), (90820, 233261), (94297, 224660), (99260, 213427), (112330, 188594), (125020, 169451), (127148, 166615), (133292, 158935), (134710, 157262)]