21485992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{244159}}^1$

素因数の和:244176

約数の個数: 16

約数和(自身を含む): 43948800

約数和(自身を除く): 22462808

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 244159, 488318, 976636, 1953272, 2685749, 5371498, 10742996, 21485992]

約数ペア:

[(1, 21485992), (2, 10742996), (4, 5371498), (8, 2685749), (11, 1953272), (22, 976636), (44, 488318), (88, 244159)]