21620804976

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{78241}}^1$

素因数の和:78375

約数の個数: 120

約数和(自身を含む): 64324313040

約数和(自身を除く): 42703508064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 101, 114, 144, 152, 171, 202, 228, 303, 304, 342, 404, 456, 606, 684, 808, 909, 912, 1212, 1368, 1616, 1818, 1919, 2424, 2736, 3636, 3838, 4848, 5757, 7272, 7676, 11514, 14544, 15352, 17271, 23028, 30704, 34542, 46056, 69084, 78241, 92112, 138168, 156482, 234723, 276336, 312964, 469446, 625928, 704169, 938892, 1251856, 1408338, 1486579, 1877784, 2816676, 2973158, 3755568, 4459737, 5633352, 5946316, 7902341, 8919474, 11266704, 11892632, 13379211, 15804682, 17838948, 23707023, 23785264, 26758422, 31609364, 35677896, 47414046, 53516844, 63218728, 71121069, 71355792, 94828092, 107033688, 126437456, 142242138, 150144479, 189656184, 214067376, 284484276, 300288958, 379312368, 450433437, 568968552, 600577916, 900866874, 1137937104, 1201155832, 1351300311, 1801733748, 2402311664, 2702600622, 3603467496, 5405201244, 7206934992, 10810402488, 21620804976]

約数ペア:

[(1, 21620804976), (2, 10810402488), (3, 7206934992), (4, 5405201244), (6, 3603467496), (8, 2702600622), (9, 2402311664), (12, 1801733748), (16, 1351300311), (18, 1201155832), (19, 1137937104), (24, 900866874), (36, 600577916), (38, 568968552), (48, 450433437), (57, 379312368), (72, 300288958), (76, 284484276), (101, 214067376), (114, 189656184), (144, 150144479), (152, 142242138), (171, 126437456), (202, 107033688), (228, 94828092), (303, 71355792), (304, 71121069), (342, 63218728), (404, 53516844), (456, 47414046), (606, 35677896), (684, 31609364), (808, 26758422), (909, 23785264), (912, 23707023), (1212, 17838948), (1368, 15804682), (1616, 13379211), (1818, 11892632), (1919, 11266704), (2424, 8919474), (2736, 7902341), (3636, 5946316), (3838, 5633352), (4848, 4459737), (5757, 3755568), (7272, 2973158), (7676, 2816676), (11514, 1877784), (14544, 1486579), (15352, 1408338), (17271, 1251856), (23028, 938892), (30704, 704169), (34542, 625928), (46056, 469446), (69084, 312964), (78241, 276336), (92112, 234723), (138168, 156482)]