21021086

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1$

素因数の和:779

約数の個数: 16

約数和(自身を含む): 32041680

約数和(自身を除く): 11020594

約数列:

[1, 2, 109, 211, 218, 422, 457, 914, 22999, 45998, 49813, 96427, 99626, 192854, 10510543, 21021086]

約数ペア:

[(1, 21021086), (2, 10510543), (109, 192854), (211, 99626), (218, 96427), (422, 49813), (457, 45998), (914, 22999)]