21714524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7879}}^1$

素因数の和:7949

約数の個数: 24

約数和(自身を含む): 41700960

約数和(自身を除く): 19986436

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 7879, 15758, 31516, 102427, 204854, 409708, 417587, 835174, 1670348, 5428631, 10857262, 21714524]

約数ペア:

[(1, 21714524), (2, 10857262), (4, 5428631), (13, 1670348), (26, 835174), (52, 417587), (53, 409708), (106, 204854), (212, 102427), (689, 31516), (1378, 15758), (2756, 7879)]