21959145

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37537}}^1$

素因数の和:37561

約数の個数: 24

約数和(自身を含む): 40991496

約数和(自身を除く): 19032351

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 37537, 112611, 187685, 337833, 487981, 563055, 1463943, 1689165, 2439905, 4391829, 7319715, 21959145]

約数ペア:

[(1, 21959145), (3, 7319715), (5, 4391829), (9, 2439905), (13, 1689165), (15, 1463943), (39, 563055), (45, 487981), (65, 337833), (117, 187685), (195, 112611), (585, 37537)]