21641126

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1560

約数の個数: 24

約数和(自身を含む): 35992440

約数和(自身を除く): 14351314

約数列:

[1, 2, 13, 26, 43, 86, 169, 338, 559, 1118, 1489, 2978, 7267, 14534, 19357, 38714, 64027, 128054, 251641, 503282, 832351, 1664702, 10820563, 21641126]

約数ペア:

[(1, 21641126), (2, 10820563), (13, 1664702), (26, 832351), (43, 503282), (86, 251641), (169, 128054), (338, 64027), (559, 38714), (1118, 19357), (1489, 14534), (2978, 7267)]