21907575

素因数分解:

$3^2\times 5^2\times {\mathrm{97367}}^1$

素因数の和:97383

約数の個数: 18

約数和(自身を含む): 39239304

約数和(自身を除く): 17331729

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 97367, 292101, 486835, 876303, 1460505, 2434175, 4381515, 7302525, 21907575]

約数ペア:

[(1, 21907575), (3, 7302525), (5, 4381515), (9, 2434175), (15, 1460505), (25, 876303), (45, 486835), (75, 292101), (225, 97367)]