21911138

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{1399}}^1$

素因数の和:1633

約数の個数: 16

約数和(自身を含む): 33868800

約数和(自身を除く): 11957662

約数列:

[1, 2, 41, 82, 191, 382, 1399, 2798, 7831, 15662, 57359, 114718, 267209, 534418, 10955569, 21911138]

約数ペア:

[(1, 21911138), (2, 10955569), (41, 534418), (82, 267209), (191, 114718), (382, 57359), (1399, 15662), (2798, 7831)]