21977043

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{1231}}^1$

素因数の和:1786

約数の個数: 16

約数和(自身を含む): 32051712

約数和(自身を除く): 10074669

約数列:

[1, 3, 11, 33, 541, 1231, 1623, 3693, 5951, 13541, 17853, 40623, 665971, 1997913, 7325681, 21977043]

約数ペア:

[(1, 21977043), (3, 7325681), (11, 1997913), (33, 665971), (541, 40623), (1231, 17853), (1623, 13541), (3693, 5951)]