21615356

素因数分解:

$2^2\times 7^1\times {\mathrm{743}}^1\times {\mathrm{1039}}^1$

素因数の和:1793

約数の個数: 24

約数和(自身を含む): 43330560

約数和(自身を除く): 21715204

約数列:

[1, 2, 4, 7, 14, 28, 743, 1039, 1486, 2078, 2972, 4156, 5201, 7273, 10402, 14546, 20804, 29092, 771977, 1543954, 3087908, 5403839, 10807678, 21615356]

約数ペア:

[(1, 21615356), (2, 10807678), (4, 5403839), (7, 3087908), (14, 1543954), (28, 771977), (743, 29092), (1039, 20804), (1486, 14546), (2078, 10402), (2972, 7273), (4156, 5201)]