21205742

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1\times {\mathrm{521}}^1$

素因数の和:1003

約数の個数: 16

約数和(自身を含む): 32622912

約数和(自身を除く): 11417170

約数列:

[1, 2, 47, 94, 433, 521, 866, 1042, 20351, 24487, 40702, 48974, 225593, 451186, 10602871, 21205742]

約数ペア:

[(1, 21205742), (2, 10602871), (47, 451186), (94, 225593), (433, 48974), (521, 40702), (866, 24487), (1042, 20351)]