21167308820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151195063}}^1$

素因数の和:151195079

約数の個数: 24

約数和(自身を含む): 50801541504

約数和(自身を除く): 29634232684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151195063, 302390126, 604780252, 755975315, 1058365441, 1511950630, 2116730882, 3023901260, 4233461764, 5291827205, 10583654410, 21167308820]

約数ペア:

[(1, 21167308820), (2, 10583654410), (4, 5291827205), (5, 4233461764), (7, 3023901260), (10, 2116730882), (14, 1511950630), (20, 1058365441), (28, 755975315), (35, 604780252), (70, 302390126), (140, 151195063)]