21882905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{7507}}^1$

素因数の和:7576

約数の個数: 16

約数和(自身を含む): 29191104

約数和(自身を除く): 7308199

約数列:

[1, 5, 11, 53, 55, 265, 583, 2915, 7507, 37535, 82577, 397871, 412885, 1989355, 4376581, 21882905]

約数ペア:

[(1, 21882905), (5, 4376581), (11, 1989355), (53, 412885), (55, 397871), (265, 82577), (583, 37535), (2915, 7507)]