27921421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2213}}^1$

素因数の和:2292

約数の個数: 16

約数和(自身を含む): 32306688

約数和(自身を除く): 4385267

約数列:

[1, 11, 31, 37, 341, 407, 1147, 2213, 12617, 24343, 68603, 81881, 754633, 900691, 2538311, 27921421]

約数ペア:

[(1, 27921421), (11, 2538311), (31, 900691), (37, 754633), (341, 81881), (407, 68603), (1147, 24343), (2213, 12617)]