21460644

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{3797}}^1$

素因数の和:3964

約数の個数: 36

約数和(自身を含む): 54607644

約数和(自身を除く): 33147000

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 628, 942, 1413, 1884, 2826, 3797, 5652, 7594, 11391, 15188, 22782, 34173, 45564, 68346, 136692, 596129, 1192258, 1788387, 2384516, 3576774, 5365161, 7153548, 10730322, 21460644]

約数ペア:

[(1, 21460644), (2, 10730322), (3, 7153548), (4, 5365161), (6, 3576774), (9, 2384516), (12, 1788387), (18, 1192258), (36, 596129), (157, 136692), (314, 68346), (471, 45564), (628, 34173), (942, 22782), (1413, 15188), (1884, 11391), (2826, 7594), (3797, 5652)]