21684090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{2687}}^1$

素因数の和:2966

約数の個数: 32

約数和(自身を含む): 52254720

約数和(自身を除く): 30570630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 269, 538, 807, 1345, 1614, 2687, 2690, 4035, 5374, 8061, 8070, 13435, 16122, 26870, 40305, 80610, 722803, 1445606, 2168409, 3614015, 4336818, 7228030, 10842045, 21684090]

約数ペア:

[(1, 21684090), (2, 10842045), (3, 7228030), (5, 4336818), (6, 3614015), (10, 2168409), (15, 1445606), (30, 722803), (269, 80610), (538, 40305), (807, 26870), (1345, 16122), (1614, 13435), (2687, 8070), (2690, 8061), (4035, 5374)]