21626650

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{8161}}^1$

素因数の和:8226

約数の個数: 24

約数和(自身を含む): 40989564

約数和(自身を除く): 19362914

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 8161, 16322, 40805, 81610, 204025, 408050, 432533, 865066, 2162665, 4325330, 10813325, 21626650]

約数ペア:

[(1, 21626650), (2, 10813325), (5, 4325330), (10, 2162665), (25, 865066), (50, 432533), (53, 408050), (106, 204025), (265, 81610), (530, 40805), (1325, 16322), (2650, 8161)]