21022485

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2963}}^1$

素因数の和:3025

約数の個数: 32

約数和(自身を含む): 37559808

約数和(自身を除く): 16537323

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 473, 645, 1419, 2365, 2963, 7095, 8889, 14815, 32593, 44445, 97779, 127409, 162965, 382227, 488895, 637045, 1401499, 1911135, 4204497, 7007495, 21022485]

約数ペア:

[(1, 21022485), (3, 7007495), (5, 4204497), (11, 1911135), (15, 1401499), (33, 637045), (43, 488895), (55, 382227), (129, 162965), (165, 127409), (215, 97779), (473, 44445), (645, 32593), (1419, 14815), (2365, 8889), (2963, 7095)]