21494670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3637}}^1$

素因数の和:3844

約数の個数: 32

約数和(自身を含む): 51863328

約数和(自身を除く): 30368658

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 197, 394, 591, 985, 1182, 1970, 2955, 3637, 5910, 7274, 10911, 18185, 21822, 36370, 54555, 109110, 716489, 1432978, 2149467, 3582445, 4298934, 7164890, 10747335, 21494670]

約数ペア:

[(1, 21494670), (2, 10747335), (3, 7164890), (5, 4298934), (6, 3582445), (10, 2149467), (15, 1432978), (30, 716489), (197, 109110), (394, 54555), (591, 36370), (985, 21822), (1182, 18185), (1970, 10911), (2955, 7274), (3637, 5910)]