21006522

素因数分解:

$2^1\times 3^2\times {\mathrm{811}}^1\times {\mathrm{1439}}^1$

素因数の和:2258

約数の個数: 24

約数和(自身を含む): 45601920

約数和(自身を除く): 24595398

約数列:

[1, 2, 3, 6, 9, 18, 811, 1439, 1622, 2433, 2878, 4317, 4866, 7299, 8634, 12951, 14598, 25902, 1167029, 2334058, 3501087, 7002174, 10503261, 21006522]

約数ペア:

[(1, 21006522), (2, 10503261), (3, 7002174), (6, 3501087), (9, 2334058), (18, 1167029), (811, 25902), (1439, 14598), (1622, 12951), (2433, 8634), (2878, 7299), (4317, 4866)]