21268430

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4801}}^1$

素因数の和:5251

約数の個数: 16

約数和(自身を含む): 38377584

約数和(自身を除く): 17109154

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 4801, 9602, 24005, 48010, 2126843, 4253686, 10634215, 21268430]

約数ペア:

[(1, 21268430), (2, 10634215), (5, 4253686), (10, 2126843), (443, 48010), (886, 24005), (2215, 9602), (4430, 4801)]