21141664

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{8363}}^1$

素因数の和:8452

約数の個数: 24

約数和(自身を含む): 42154560

約数和(自身を除く): 21012896

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 8363, 16726, 33452, 66904, 133808, 267616, 660677, 1321354, 2642708, 5285416, 10570832, 21141664]

約数ペア:

[(1, 21141664), (2, 10570832), (4, 5285416), (8, 2642708), (16, 1321354), (32, 660677), (79, 267616), (158, 133808), (316, 66904), (632, 33452), (1264, 16726), (2528, 8363)]