21325329291

素因数分解:

$3^1\times 7^1\times {\mathrm{1549}}^1\times {\mathrm{655579}}^1$

素因数の和:657138

約数の個数: 16

約数和(自身を含む): 32516768000

約数和(自身を除く): 11191438709

約数列:

[1, 3, 7, 21, 1549, 4647, 10843, 32529, 655579, 1966737, 4589053, 13767159, 1015491871, 3046475613, 7108443097, 21325329291]

約数ペア:

[(1, 21325329291), (3, 7108443097), (7, 3046475613), (21, 1015491871), (1549, 13767159), (4647, 4589053), (10843, 1966737), (32529, 655579)]