21301508

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1163}}^1$

素因数の和:1427

約数の個数: 24

約数和(自身を含む): 39436320

約数和(自身を除く): 18134812

約数列:

[1, 2, 4, 19, 38, 76, 241, 482, 964, 1163, 2326, 4579, 4652, 9158, 18316, 22097, 44194, 88388, 280283, 560566, 1121132, 5325377, 10650754, 21301508]

約数ペア:

[(1, 21301508), (2, 10650754), (4, 5325377), (19, 1121132), (38, 560566), (76, 280283), (241, 88388), (482, 44194), (964, 22097), (1163, 18316), (2326, 9158), (4579, 4652)]