21280830531

素因数分解:

$3^1\times {\mathrm{277}}^1\times {\mathrm{653}}^1\times {\mathrm{39217}}^1$

素因数の和:40150

約数の個数: 16

約数和(自身を含む): 28521212064

約数和(自身を除く): 7240381533

約数列:

[1, 3, 277, 653, 831, 1959, 39217, 117651, 180881, 542643, 10863109, 25608701, 32589327, 76826103, 7093610177, 21280830531]

約数ペア:

[(1, 21280830531), (3, 7093610177), (277, 76826103), (653, 32589327), (831, 25608701), (1959, 10863109), (39217, 542643), (117651, 180881)]