21246267

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{5297}}^1$

素因数の和:5498

約数の個数: 16

約数和(自身を含む): 32550912

約数和(自身を除く): 11304645

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 5297, 15891, 37079, 111237, 1011727, 3035181, 7082089, 21246267]

約数ペア:

[(1, 21246267), (3, 7082089), (7, 3035181), (21, 1011727), (191, 111237), (573, 37079), (1337, 15891), (4011, 5297)]