21250575

素因数分解:

$3^2\times 5^2\times {\mathrm{94447}}^1$

素因数の和:94463

約数の個数: 18

約数和(自身を含む): 38062544

約数和(自身を除く): 16811969

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 94447, 283341, 472235, 850023, 1416705, 2361175, 4250115, 7083525, 21250575]

約数ペア:

[(1, 21250575), (3, 7083525), (5, 4250115), (9, 2361175), (15, 1416705), (25, 850023), (45, 472235), (75, 283341), (225, 94447)]