21208243416

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{1229}}^1\times {\mathrm{19433}}^1$

素因数の和:20708

約数の個数: 64

約数和(自身を含む): 54500709600

約数和(自身を除く): 33292466184

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 1229, 2458, 3687, 4916, 7374, 9832, 14748, 19433, 29496, 38866, 45473, 58299, 77732, 90946, 116598, 136419, 155464, 181892, 233196, 272838, 363784, 466392, 545676, 719021, 1091352, 1438042, 2157063, 2876084, 4314126, 5752168, 8628252, 17256504, 23883157, 47766314, 71649471, 95532628, 143298942, 191065256, 286597884, 573195768, 883676809, 1767353618, 2651030427, 3534707236, 5302060854, 7069414472, 10604121708, 21208243416]

約数ペア:

[(1, 21208243416), (2, 10604121708), (3, 7069414472), (4, 5302060854), (6, 3534707236), (8, 2651030427), (12, 1767353618), (24, 883676809), (37, 573195768), (74, 286597884), (111, 191065256), (148, 143298942), (222, 95532628), (296, 71649471), (444, 47766314), (888, 23883157), (1229, 17256504), (2458, 8628252), (3687, 5752168), (4916, 4314126), (7374, 2876084), (9832, 2157063), (14748, 1438042), (19433, 1091352), (29496, 719021), (38866, 545676), (45473, 466392), (58299, 363784), (77732, 272838), (90946, 233196), (116598, 181892), (136419, 155464)]