21652827

素因数分解:

$3^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{1579}}^1$

素因数の和:2242

約数の個数: 16

約数和(自身を含む): 33066240

約数和(自身を除く): 11413413

約数列:

[1, 3, 7, 21, 653, 1579, 1959, 4571, 4737, 11053, 13713, 33159, 1031087, 3093261, 7217609, 21652827]

約数ペア:

[(1, 21652827), (3, 7217609), (7, 3093261), (21, 1031087), (653, 33159), (1579, 13713), (1959, 11053), (4571, 4737)]