21104744

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3229}}^1$

素因数の和:3297

約数の個数: 32

約数和(自身を含む): 42636000

約数和(自身を除く): 21531256

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3229, 3268, 6458, 6536, 12916, 25832, 61351, 122702, 138847, 245404, 277694, 490808, 555388, 1110776, 2638093, 5276186, 10552372, 21104744]

約数ペア:

[(1, 21104744), (2, 10552372), (4, 5276186), (8, 2638093), (19, 1110776), (38, 555388), (43, 490808), (76, 277694), (86, 245404), (152, 138847), (172, 122702), (344, 61351), (817, 25832), (1634, 12916), (3229, 6536), (3268, 6458)]