21117744

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{2767}}^1$

素因数の和:2834

約数の個数: 60

約数和(自身を含む): 60237216

約数和(自身を除く): 39119472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 106, 144, 159, 212, 318, 424, 477, 636, 848, 954, 1272, 1908, 2544, 2767, 3816, 5534, 7632, 8301, 11068, 16602, 22136, 24903, 33204, 44272, 49806, 66408, 99612, 132816, 146651, 199224, 293302, 398448, 439953, 586604, 879906, 1173208, 1319859, 1759812, 2346416, 2639718, 3519624, 5279436, 7039248, 10558872, 21117744]

約数ペア:

[(1, 21117744), (2, 10558872), (3, 7039248), (4, 5279436), (6, 3519624), (8, 2639718), (9, 2346416), (12, 1759812), (16, 1319859), (18, 1173208), (24, 879906), (36, 586604), (48, 439953), (53, 398448), (72, 293302), (106, 199224), (144, 146651), (159, 132816), (212, 99612), (318, 66408), (424, 49806), (477, 44272), (636, 33204), (848, 24903), (954, 22136), (1272, 16602), (1908, 11068), (2544, 8301), (2767, 7632), (3816, 5534)]