21612196

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1429}}^1$

素因数の和:1651

約数の個数: 24

約数和(自身を含む): 40040000

約数和(自身を除く): 18427804

約数列:

[1, 2, 4, 19, 38, 76, 199, 398, 796, 1429, 2858, 3781, 5716, 7562, 15124, 27151, 54302, 108604, 284371, 568742, 1137484, 5403049, 10806098, 21612196]

約数ペア:

[(1, 21612196), (2, 10806098), (4, 5403049), (19, 1137484), (38, 568742), (76, 284371), (199, 108604), (398, 54302), (796, 27151), (1429, 15124), (2858, 7562), (3781, 5716)]