21462370

素因数分解:

$2^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{6991}}^1$

素因数の和:7305

約数の個数: 16

約数和(自身を含む): 38763648

約数和(自身を除く): 17301278

約数列:

[1, 2, 5, 10, 307, 614, 1535, 3070, 6991, 13982, 34955, 69910, 2146237, 4292474, 10731185, 21462370]

約数ペア:

[(1, 21462370), (2, 10731185), (5, 4292474), (10, 2146237), (307, 69910), (614, 34955), (1535, 13982), (3070, 6991)]