21000966564

素因数分解:

$2^2\times 3^1\times {\mathrm{4357}}^1\times {\mathrm{401671}}^1$

素因数の和:406035

約数の個数: 24

約数和(自身を含む): 49013624128

約数和(自身を除く): 28012657564

約数列:

[1, 2, 3, 4, 6, 12, 4357, 8714, 13071, 17428, 26142, 52284, 401671, 803342, 1205013, 1606684, 2410026, 4820052, 1750080547, 3500161094, 5250241641, 7000322188, 10500483282, 21000966564]

約数ペア:

[(1, 21000966564), (2, 10500483282), (3, 7000322188), (4, 5250241641), (6, 3500161094), (12, 1750080547), (4357, 4820052), (8714, 2410026), (13071, 1606684), (17428, 1205013), (26142, 803342), (52284, 401671)]