21751272

素因数分解:

$2^3\times 3^2\times {\mathrm{317}}^1\times {\mathrm{953}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 59157540

約数和(自身を除く): 37406268

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 317, 634, 951, 953, 1268, 1902, 1906, 2536, 2853, 2859, 3804, 3812, 5706, 5718, 7608, 7624, 8577, 11412, 11436, 17154, 22824, 22872, 34308, 68616, 302101, 604202, 906303, 1208404, 1812606, 2416808, 2718909, 3625212, 5437818, 7250424, 10875636, 21751272]

約数ペア:

[(1, 21751272), (2, 10875636), (3, 7250424), (4, 5437818), (6, 3625212), (8, 2718909), (9, 2416808), (12, 1812606), (18, 1208404), (24, 906303), (36, 604202), (72, 302101), (317, 68616), (634, 34308), (951, 22872), (953, 22824), (1268, 17154), (1902, 11436), (1906, 11412), (2536, 8577), (2853, 7624), (2859, 7608), (3804, 5718), (3812, 5706)]