21578096

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{7451}}^1$

素因数の和:7640

約数の個数: 20

約数和(自身を含む): 42044184

約数和(自身を除く): 20466088

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 7451, 14902, 29804, 59608, 119216, 1348631, 2697262, 5394524, 10789048, 21578096]

約数ペア:

[(1, 21578096), (2, 10789048), (4, 5394524), (8, 2697262), (16, 1348631), (181, 119216), (362, 59608), (724, 29804), (1448, 14902), (2896, 7451)]