21103729929

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{8782243}}^1$

素因数の和:8782341

約数の個数: 16

約数和(自身を含む): 31616078400

約数和(自身を除く): 10512348471

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 8782243, 26346729, 79040187, 237120561, 781619627, 2344858881, 7034576643, 21103729929]

約数ペア:

[(1, 21103729929), (3, 7034576643), (9, 2344858881), (27, 781619627), (89, 237120561), (267, 79040187), (801, 26346729), (2403, 8782243)]