21780104

素因数分解:

$2^3\times {\mathrm{31}}^2\times {\mathrm{2833}}^1$

素因数の和:2901

約数の個数: 24

約数和(自身を含む): 42212430

約数和(自身を除く): 20432326

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 961, 1922, 2833, 3844, 5666, 7688, 11332, 22664, 87823, 175646, 351292, 702584, 2722513, 5445026, 10890052, 21780104]

約数ペア:

[(1, 21780104), (2, 10890052), (4, 5445026), (8, 2722513), (31, 702584), (62, 351292), (124, 175646), (248, 87823), (961, 22664), (1922, 11332), (2833, 7688), (3844, 5666)]