21120408

素因数分解:

$2^3\times 3^2\times {\mathrm{293339}}^1$

素因数の和:293351

約数の個数: 24

約数和(自身を含む): 57201300

約数和(自身を除く): 36080892

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 293339, 586678, 880017, 1173356, 1760034, 2346712, 2640051, 3520068, 5280102, 7040136, 10560204, 21120408]

約数ペア:

[(1, 21120408), (2, 10560204), (3, 7040136), (4, 5280102), (6, 3520068), (8, 2640051), (9, 2346712), (12, 1760034), (18, 1173356), (24, 880017), (36, 586678), (72, 293339)]