21663278

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3217}}^1$

素因数の和:3276

約数の個数: 32

約数和(自身を含む): 41087424

約数和(自身を除く): 19424146

約数列:

[1, 2, 7, 13, 14, 26, 37, 74, 91, 182, 259, 481, 518, 962, 3217, 3367, 6434, 6734, 22519, 41821, 45038, 83642, 119029, 238058, 292747, 585494, 833203, 1547377, 1666406, 3094754, 10831639, 21663278]

約数ペア:

[(1, 21663278), (2, 10831639), (7, 3094754), (13, 1666406), (14, 1547377), (26, 833203), (37, 585494), (74, 292747), (91, 238058), (182, 119029), (259, 83642), (481, 45038), (518, 41821), (962, 22519), (3217, 6734), (3367, 6434)]