21728670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4861}}^1$

素因数の和:5020

約数の個数: 32

約数和(自身を含む): 52509600

約数和(自身を除く): 30780930

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 149, 298, 447, 745, 894, 1490, 2235, 4470, 4861, 9722, 14583, 24305, 29166, 48610, 72915, 145830, 724289, 1448578, 2172867, 3621445, 4345734, 7242890, 10864335, 21728670]

約数ペア:

[(1, 21728670), (2, 10864335), (3, 7242890), (5, 4345734), (6, 3621445), (10, 2172867), (15, 1448578), (30, 724289), (149, 145830), (298, 72915), (447, 48610), (745, 29166), (894, 24305), (1490, 14583), (2235, 9722), (4470, 4861)]