21413645

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2801}}^1$

素因数の和:2956

約数の個数: 16

約数和(自身を含む): 28244160

約数和(自身を除く): 6830515

約数列:

[1, 5, 11, 55, 139, 695, 1529, 2801, 7645, 14005, 30811, 154055, 389339, 1946695, 4282729, 21413645]

約数ペア:

[(1, 21413645), (5, 4282729), (11, 1946695), (55, 389339), (139, 154055), (695, 30811), (1529, 14005), (2801, 7645)]