21660886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1823}}^1$

素因数の和:2295

約数の個数: 16

約数和(自身を含む): 35086464

約数和(自身を除く): 13425578

約数列:

[1, 2, 13, 26, 457, 914, 1823, 3646, 5941, 11882, 23699, 47398, 833111, 1666222, 10830443, 21660886]

約数ペア:

[(1, 21660886), (2, 10830443), (13, 1666222), (26, 833111), (457, 47398), (914, 23699), (1823, 11882), (3646, 5941)]