21452922

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^2\times {\mathrm{709}}^1$

素因数の和:799

約数の個数: 36

約数和(自身を含む): 47709870

約数和(自身を除く): 26256948

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 709, 738, 1418, 1681, 2127, 3362, 4254, 5043, 6381, 10086, 12762, 15129, 29069, 30258, 58138, 87207, 174414, 261621, 523242, 1191829, 2383658, 3575487, 7150974, 10726461, 21452922]

約数ペア:

[(1, 21452922), (2, 10726461), (3, 7150974), (6, 3575487), (9, 2383658), (18, 1191829), (41, 523242), (82, 261621), (123, 174414), (246, 87207), (369, 58138), (709, 30258), (738, 29069), (1418, 15129), (1681, 12762), (2127, 10086), (3362, 6381), (4254, 5043)]