21535812

素因数分解:

$2^2\times 3^2\times {\mathrm{239}}^1\times {\mathrm{2503}}^1$

素因数の和:2752

約数の個数: 36

約数和(自身を含む): 54687360

約数和(自身を除く): 33151548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 239, 478, 717, 956, 1434, 2151, 2503, 2868, 4302, 5006, 7509, 8604, 10012, 15018, 22527, 30036, 45054, 90108, 598217, 1196434, 1794651, 2392868, 3589302, 5383953, 7178604, 10767906, 21535812]

約数ペア:

[(1, 21535812), (2, 10767906), (3, 7178604), (4, 5383953), (6, 3589302), (9, 2392868), (12, 1794651), (18, 1196434), (36, 598217), (239, 90108), (478, 45054), (717, 30036), (956, 22527), (1434, 15018), (2151, 10012), (2503, 8604), (2868, 7509), (4302, 5006)]