21356030

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{57719}}^1$

素因数の和:57763

約数の個数: 16

約数和(自身を含む): 39480480

約数和(自身を除く): 18124450

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 57719, 115438, 288595, 577190, 2135603, 4271206, 10678015, 21356030]

約数ペア:

[(1, 21356030), (2, 10678015), (5, 4271206), (10, 2135603), (37, 577190), (74, 288595), (185, 115438), (370, 57719)]