21152803959

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5690827}}^1$

素因数の和:5690899

約数の個数: 24

約数和(自身を含む): 35510766720

約数和(自身を除く): 14357962761

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 5690827, 17072481, 39835789, 51217443, 119507367, 335758793, 358522101, 1007276379, 2350311551, 3021829137, 7050934653, 21152803959]

約数ペア:

[(1, 21152803959), (3, 7050934653), (7, 3021829137), (9, 2350311551), (21, 1007276379), (59, 358522101), (63, 335758793), (177, 119507367), (413, 51217443), (531, 39835789), (1239, 17072481), (3717, 5690827)]