21030448

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{3137}}^1$

素因数の和:3564

約数の個数: 20

約数和(自身を含む): 40856760

約数和(自身を除く): 19826312

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 3137, 3352, 6274, 6704, 12548, 25096, 50192, 1314403, 2628806, 5257612, 10515224, 21030448]

約数ペア:

[(1, 21030448), (2, 10515224), (4, 5257612), (8, 2628806), (16, 1314403), (419, 50192), (838, 25096), (1676, 12548), (3137, 6704), (3352, 6274)]