21294873

素因数分解:

$3^3\times {\mathrm{379}}^1\times {\mathrm{2081}}^1$

素因数の和:2469

約数の個数: 16

約数和(自身を含む): 31646400

約数和(自身を除く): 10351527

約数列:

[1, 3, 9, 27, 379, 1137, 2081, 3411, 6243, 10233, 18729, 56187, 788699, 2366097, 7098291, 21294873]

約数ペア:

[(1, 21294873), (3, 7098291), (9, 2366097), (27, 788699), (379, 56187), (1137, 18729), (2081, 10233), (3411, 6243)]