21012152

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10141}}^1$

素因数の和:10191

約数の個数: 32

約数和(自身を含む): 46247520

約数和(自身を除く): 25235368

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10141, 20282, 40564, 70987, 81128, 141974, 283948, 375217, 567896, 750434, 1500868, 2626519, 3001736, 5253038, 10506076, 21012152]

約数ペア:

[(1, 21012152), (2, 10506076), (4, 5253038), (7, 3001736), (8, 2626519), (14, 1500868), (28, 750434), (37, 567896), (56, 375217), (74, 283948), (148, 141974), (259, 81128), (296, 70987), (518, 40564), (1036, 20282), (2072, 10141)]