21928275

素因数分解:

$3^2\times 5^2\times {\mathrm{97459}}^1$

素因数の和:97475

約数の個数: 18

約数和(自身を含む): 39276380

約数和(自身を除く): 17348105

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 97459, 292377, 487295, 877131, 1461885, 2436475, 4385655, 7309425, 21928275]

約数ペア:

[(1, 21928275), (3, 7309425), (5, 4385655), (9, 2436475), (15, 1461885), (25, 877131), (45, 487295), (75, 292377), (225, 97459)]