21910275

素因数分解:

$3^2\times 5^2\times {\mathrm{97379}}^1$

素因数の和:97395

約数の個数: 18

約数和(自身を含む): 39244140

約数和(自身を除く): 17333865

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 97379, 292137, 486895, 876411, 1460685, 2434475, 4382055, 7303425, 21910275]

約数ペア:

[(1, 21910275), (3, 7303425), (5, 4382055), (9, 2434475), (15, 1460685), (25, 876411), (45, 486895), (75, 292137), (225, 97379)]