21085832

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{24181}}^1$

素因数の和:24296

約数の個数: 16

約数和(自身を含む): 39900300

約数和(自身を除く): 18814468

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 24181, 48362, 96724, 193448, 2635729, 5271458, 10542916, 21085832]

約数ペア:

[(1, 21085832), (2, 10542916), (4, 5271458), (8, 2635729), (109, 193448), (218, 96724), (436, 48362), (872, 24181)]