2021859

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{479}}^1$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 3394560

約数和(自身を除く): 1372701

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 479, 603, 1407, 1437, 3353, 4221, 4311, 10059, 30177, 32093, 96279, 224651, 288837, 673953, 2021859]

約数ペア:

[(1, 2021859), (3, 673953), (7, 288837), (9, 224651), (21, 96279), (63, 32093), (67, 30177), (201, 10059), (469, 4311), (479, 4221), (603, 3353), (1407, 1437)]