21501493

素因数分解:

${\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:388

約数の個数: 16

約数和(自身を含む): 23786560

約数和(自身を除く): 2285067

約数列:

[1, 13, 73, 139, 163, 949, 1807, 2119, 10147, 11899, 22657, 131911, 154687, 294541, 1653961, 21501493]

約数ペア:

[(1, 21501493), (13, 1653961), (73, 294541), (139, 154687), (163, 131911), (949, 22657), (1807, 11899), (2119, 10147)]