21449772

素因数分解:

$2^2\times 3^4\times {\mathrm{239}}^1\times {\mathrm{277}}^1$

素因数の和:532

約数の個数: 60

約数和(自身を含む): 56511840

約数和(自身を除く): 35062068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 239, 277, 324, 478, 554, 717, 831, 956, 1108, 1434, 1662, 2151, 2493, 2868, 3324, 4302, 4986, 6453, 7479, 8604, 9972, 12906, 14958, 19359, 22437, 25812, 29916, 38718, 44874, 66203, 77436, 89748, 132406, 198609, 264812, 397218, 595827, 794436, 1191654, 1787481, 2383308, 3574962, 5362443, 7149924, 10724886, 21449772]

約数ペア:

[(1, 21449772), (2, 10724886), (3, 7149924), (4, 5362443), (6, 3574962), (9, 2383308), (12, 1787481), (18, 1191654), (27, 794436), (36, 595827), (54, 397218), (81, 264812), (108, 198609), (162, 132406), (239, 89748), (277, 77436), (324, 66203), (478, 44874), (554, 38718), (717, 29916), (831, 25812), (956, 22437), (1108, 19359), (1434, 14958), (1662, 12906), (2151, 9972), (2493, 8604), (2868, 7479), (3324, 6453), (4302, 4986)]