21048730

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8807}}^1$

素因数の和:9053

約数の個数: 16

約数和(自身を含む): 38050560

約数和(自身を除く): 17001830

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 8807, 17614, 44035, 88070, 2104873, 4209746, 10524365, 21048730]

約数ペア:

[(1, 21048730), (2, 10524365), (5, 4209746), (10, 2104873), (239, 88070), (478, 44035), (1195, 17614), (2390, 8807)]