21745698

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3529}}^1$

素因数の和:3626

約数の個数: 32

約数和(自身を含む): 47443200

約数和(自身を除く): 25697502

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 158, 237, 474, 1027, 2054, 3081, 3529, 6162, 7058, 10587, 21174, 45877, 91754, 137631, 275262, 278791, 557582, 836373, 1672746, 3624283, 7248566, 10872849, 21745698]

約数ペア:

[(1, 21745698), (2, 10872849), (3, 7248566), (6, 3624283), (13, 1672746), (26, 836373), (39, 557582), (78, 278791), (79, 275262), (158, 137631), (237, 91754), (474, 45877), (1027, 21174), (2054, 10587), (3081, 7058), (3529, 6162)]