21853575

素因数分解:

$3^2\times 5^2\times {\mathrm{97127}}^1$

素因数の和:97143

約数の個数: 18

約数和(自身を含む): 39142584

約数和(自身を除く): 17289009

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 97127, 291381, 485635, 874143, 1456905, 2428175, 4370715, 7284525, 21853575]

約数ペア:

[(1, 21853575), (3, 7284525), (5, 4370715), (9, 2428175), (15, 1456905), (25, 874143), (45, 485635), (75, 291381), (225, 97127)]