21119724

素因数分解:

$2^2\times 3^3\times {\mathrm{283}}^1\times {\mathrm{691}}^1$

素因数の和:987

約数の個数: 48

約数和(自身を含む): 55027840

約数和(自身を除く): 33908116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 283, 566, 691, 849, 1132, 1382, 1698, 2073, 2547, 2764, 3396, 4146, 5094, 6219, 7641, 8292, 10188, 12438, 15282, 18657, 24876, 30564, 37314, 74628, 195553, 391106, 586659, 782212, 1173318, 1759977, 2346636, 3519954, 5279931, 7039908, 10559862, 21119724]

約数ペア:

[(1, 21119724), (2, 10559862), (3, 7039908), (4, 5279931), (6, 3519954), (9, 2346636), (12, 1759977), (18, 1173318), (27, 782212), (36, 586659), (54, 391106), (108, 195553), (283, 74628), (566, 37314), (691, 30564), (849, 24876), (1132, 18657), (1382, 15282), (1698, 12438), (2073, 10188), (2547, 8292), (2764, 7641), (3396, 6219), (4146, 5094)]