21228525

素因数分解:

$3^2\times 5^2\times {\mathrm{94349}}^1$

素因数の和:94365

約数の個数: 18

約数和(自身を含む): 38023050

約数和(自身を除く): 16794525

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 94349, 283047, 471745, 849141, 1415235, 2358725, 4245705, 7076175, 21228525]

約数ペア:

[(1, 21228525), (3, 7076175), (5, 4245705), (9, 2358725), (15, 1415235), (25, 849141), (45, 471745), (75, 283047), (225, 94349)]