21526798

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1\times {\mathrm{653}}^1$

素因数の和:1019

約数の個数: 16

約数和(自身を含む): 33055776

約数和(自身を除く): 11528978

約数列:

[1, 2, 53, 106, 311, 622, 653, 1306, 16483, 32966, 34609, 69218, 203083, 406166, 10763399, 21526798]

約数ペア:

[(1, 21526798), (2, 10763399), (53, 406166), (106, 203083), (311, 69218), (622, 34609), (653, 32966), (1306, 16483)]