21431892

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{10957}}^1$

素因数の和:11127

約数の個数: 24

約数和(自身を含む): 50319136

約数和(自身を除く): 28887244

約数列:

[1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956, 10957, 21914, 32871, 43828, 65742, 131484, 1785991, 3571982, 5357973, 7143964, 10715946, 21431892]

約数ペア:

[(1, 21431892), (2, 10715946), (3, 7143964), (4, 5357973), (6, 3571982), (12, 1785991), (163, 131484), (326, 65742), (489, 43828), (652, 32871), (978, 21914), (1956, 10957)]