21295286

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{457}}^1\times {\mathrm{1013}}^1$

素因数の和:1495

約数の個数: 16

約数和(自身を含む): 33437664

約数和(自身を除く): 12142378

約数列:

[1, 2, 23, 46, 457, 914, 1013, 2026, 10511, 21022, 23299, 46598, 462941, 925882, 10647643, 21295286]

約数ペア:

[(1, 21295286), (2, 10647643), (23, 925882), (46, 462941), (457, 46598), (914, 23299), (1013, 21022), (2026, 10511)]