21981090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{732703}}^1$

素因数の和:732713

約数の個数: 16

約数和(自身を含む): 52754688

約数和(自身を除く): 30773598

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 732703, 1465406, 2198109, 3663515, 4396218, 7327030, 10990545, 21981090]

約数ペア:

[(1, 21981090), (2, 10990545), (3, 7327030), (5, 4396218), (6, 3663515), (10, 2198109), (15, 1465406), (30, 732703)]