21949527472

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{378023}}^1$

素因数の和:378241

約数の個数: 40

約数和(自身を含む): 44999976960

約数和(自身を除く): 23050449488

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 191, 304, 382, 764, 1528, 3056, 3629, 7258, 14516, 29032, 58064, 378023, 756046, 1512092, 3024184, 6048368, 7182437, 14364874, 28729748, 57459496, 72202393, 114918992, 144404786, 288809572, 577619144, 1155238288, 1371845467, 2743690934, 5487381868, 10974763736, 21949527472]

約数ペア:

[(1, 21949527472), (2, 10974763736), (4, 5487381868), (8, 2743690934), (16, 1371845467), (19, 1155238288), (38, 577619144), (76, 288809572), (152, 144404786), (191, 114918992), (304, 72202393), (382, 57459496), (764, 28729748), (1528, 14364874), (3056, 7182437), (3629, 6048368), (7258, 3024184), (14516, 1512092), (29032, 756046), (58064, 378023)]