21000944820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{3881}}^1\times {\mathrm{90187}}^1$

素因数の和:94080

約数の個数: 48

約数和(自身を含む): 58818449088

約数和(自身を除く): 37817504268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 3881, 7762, 11643, 15524, 19405, 23286, 38810, 46572, 58215, 77620, 90187, 116430, 180374, 232860, 270561, 360748, 450935, 541122, 901870, 1082244, 1352805, 1803740, 2705610, 5411220, 350015747, 700031494, 1050047241, 1400062988, 1750078735, 2100094482, 3500157470, 4200188964, 5250236205, 7000314940, 10500472410, 21000944820]

約数ペア:

[(1, 21000944820), (2, 10500472410), (3, 7000314940), (4, 5250236205), (5, 4200188964), (6, 3500157470), (10, 2100094482), (12, 1750078735), (15, 1400062988), (20, 1050047241), (30, 700031494), (60, 350015747), (3881, 5411220), (7762, 2705610), (11643, 1803740), (15524, 1352805), (19405, 1082244), (23286, 901870), (38810, 541122), (46572, 450935), (58215, 360748), (77620, 270561), (90187, 232860), (116430, 180374)]