21929040

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:274

約数の個数: 240

約数和(自身を含む): 88982400

約数和(自身を除く): 67053360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 229, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 458, 504, 532, 560, 570, 630, 665, 684, 687, 720, 760, 798, 840, 855, 912, 916, 1008, 1064, 1140, 1145, 1197, 1260, 1330, 1368, 1374, 1520, 1596, 1603, 1680, 1710, 1832, 1995, 2061, 2128, 2280, 2290, 2394, 2520, 2660, 2736, 2748, 3192, 3206, 3420, 3435, 3664, 3990, 4122, 4351, 4560, 4580, 4788, 4809, 5040, 5320, 5496, 5985, 6384, 6412, 6840, 6870, 7980, 8015, 8244, 8702, 9160, 9576, 9618, 10305, 10640, 10992, 11970, 12824, 13053, 13680, 13740, 14427, 15960, 16030, 16488, 17404, 18320, 19152, 19236, 20610, 21755, 23940, 24045, 25648, 26106, 27480, 28854, 30457, 31920, 32060, 32976, 34808, 38472, 39159, 41220, 43510, 47880, 48090, 52212, 54960, 57708, 60914, 64120, 65265, 69616, 72135, 76944, 78318, 82440, 87020, 91371, 95760, 96180, 104424, 115416, 121828, 128240, 130530, 144270, 152285, 156636, 164880, 174040, 182742, 192360, 195795, 208848, 230832, 243656, 261060, 274113, 288540, 304570, 313272, 348080, 365484, 384720, 391590, 456855, 487312, 522120, 548226, 577080, 609140, 626544, 730968, 783180, 913710, 1044240, 1096452, 1154160, 1218280, 1370565, 1461936, 1566360, 1827420, 2192904, 2436560, 2741130, 3132720, 3654840, 4385808, 5482260, 7309680, 10964520, 21929040]

約数ペア:

[(1, 21929040), (2, 10964520), (3, 7309680), (4, 5482260), (5, 4385808), (6, 3654840), (7, 3132720), (8, 2741130), (9, 2436560), (10, 2192904), (12, 1827420), (14, 1566360), (15, 1461936), (16, 1370565), (18, 1218280), (19, 1154160), (20, 1096452), (21, 1044240), (24, 913710), (28, 783180), (30, 730968), (35, 626544), (36, 609140), (38, 577080), (40, 548226), (42, 522120), (45, 487312), (48, 456855), (56, 391590), (57, 384720), (60, 365484), (63, 348080), (70, 313272), (72, 304570), (76, 288540), (80, 274113), (84, 261060), (90, 243656), (95, 230832), (105, 208848), (112, 195795), (114, 192360), (120, 182742), (126, 174040), (133, 164880), (140, 156636), (144, 152285), (152, 144270), (168, 130530), (171, 128240), (180, 121828), (190, 115416), (210, 104424), (228, 96180), (229, 95760), (240, 91371), (252, 87020), (266, 82440), (280, 78318), (285, 76944), (304, 72135), (315, 69616), (336, 65265), (342, 64120), (360, 60914), (380, 57708), (399, 54960), (420, 52212), (456, 48090), (458, 47880), (504, 43510), (532, 41220), (560, 39159), (570, 38472), (630, 34808), (665, 32976), (684, 32060), (687, 31920), (720, 30457), (760, 28854), (798, 27480), (840, 26106), (855, 25648), (912, 24045), (916, 23940), (1008, 21755), (1064, 20610), (1140, 19236), (1145, 19152), (1197, 18320), (1260, 17404), (1330, 16488), (1368, 16030), (1374, 15960), (1520, 14427), (1596, 13740), (1603, 13680), (1680, 13053), (1710, 12824), (1832, 11970), (1995, 10992), (2061, 10640), (2128, 10305), (2280, 9618), (2290, 9576), (2394, 9160), (2520, 8702), (2660, 8244), (2736, 8015), (2748, 7980), (3192, 6870), (3206, 6840), (3420, 6412), (3435, 6384), (3664, 5985), (3990, 5496), (4122, 5320), (4351, 5040), (4560, 4809), (4580, 4788)]