21458450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33013}}^1$

素因数の和:33038

約数の個数: 24

約数和(自身を含む): 42984228

約数和(自身を除く): 21525778

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33013, 66026, 165065, 330130, 429169, 825325, 858338, 1650650, 2145845, 4291690, 10729225, 21458450]

約数ペア:

[(1, 21458450), (2, 10729225), (5, 4291690), (10, 2145845), (13, 1650650), (25, 858338), (26, 825325), (50, 429169), (65, 330130), (130, 165065), (325, 66026), (650, 33013)]