21358744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{242713}}^1$

素因数の和:242730

約数の個数: 16

約数和(自身を含む): 43688520

約数和(自身を除く): 22329776

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 242713, 485426, 970852, 1941704, 2669843, 5339686, 10679372, 21358744]

約数ペア:

[(1, 21358744), (2, 10679372), (4, 5339686), (8, 2669843), (11, 1941704), (22, 970852), (44, 485426), (88, 242713)]