21135176

素因数分解:

$2^3\times {\mathrm{1181}}^1\times {\mathrm{2237}}^1$

素因数の和:3424

約数の個数: 16

約数和(自身を含む): 39679740

約数和(自身を除く): 18544564

約数列:

[1, 2, 4, 8, 1181, 2237, 2362, 4474, 4724, 8948, 9448, 17896, 2641897, 5283794, 10567588, 21135176]

約数ペア:

[(1, 21135176), (2, 10567588), (4, 5283794), (8, 2641897), (1181, 17896), (2237, 9448), (2362, 8948), (4474, 4724)]