21342525

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{7691}}^1$

素因数の和:7741

約数の個数: 24

約数和(自身を含む): 36244704

約数和(自身を除く): 14902179

約数列:

[1, 3, 5, 15, 25, 37, 75, 111, 185, 555, 925, 2775, 7691, 23073, 38455, 115365, 192275, 284567, 576825, 853701, 1422835, 4268505, 7114175, 21342525]

約数ペア:

[(1, 21342525), (3, 7114175), (5, 4268505), (15, 1422835), (25, 853701), (37, 576825), (75, 284567), (111, 192275), (185, 115365), (555, 38455), (925, 23073), (2775, 7691)]