21311494

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{1013}}^1$

素因数の和:1239

約数の個数: 16

約数和(自身を含む): 32683248

約数和(自身を除く): 11371754

約数列:

[1, 2, 67, 134, 157, 314, 1013, 2026, 10519, 21038, 67871, 135742, 159041, 318082, 10655747, 21311494]

約数ペア:

[(1, 21311494), (2, 10655747), (67, 318082), (134, 159041), (157, 135742), (314, 67871), (1013, 21038), (2026, 10519)]