21982066

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:390

約数の個数: 24

約数和(自身を含む): 35038080

約数和(自身を除く): 13056014

約数列:

[1, 2, 23, 46, 79, 158, 263, 526, 529, 1058, 1817, 3634, 6049, 12098, 20777, 41554, 41791, 83582, 139127, 278254, 477871, 955742, 10991033, 21982066]

約数ペア:

[(1, 21982066), (2, 10991033), (23, 955742), (46, 477871), (79, 278254), (158, 139127), (263, 83582), (526, 41791), (529, 41554), (1058, 20777), (1817, 12098), (3634, 6049)]