21905244

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{3733}}^1$

素因数の和:3906

約数の個数: 36

約数和(自身を含む): 55726216

約数和(自身を除く): 33820972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 3733, 5868, 7466, 11199, 14932, 22398, 33597, 44796, 67194, 134388, 608479, 1216958, 1825437, 2433916, 3650874, 5476311, 7301748, 10952622, 21905244]

約数ペア:

[(1, 21905244), (2, 10952622), (3, 7301748), (4, 5476311), (6, 3650874), (9, 2433916), (12, 1825437), (18, 1216958), (36, 608479), (163, 134388), (326, 67194), (489, 44796), (652, 33597), (978, 22398), (1467, 14932), (1956, 11199), (2934, 7466), (3733, 5868)]