21458490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1949}}^1$

素因数の和:2326

約数の個数: 32

約数和(自身を含む): 51667200

約数和(自身を除く): 30208710

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 367, 734, 1101, 1835, 1949, 2202, 3670, 3898, 5505, 5847, 9745, 11010, 11694, 19490, 29235, 58470, 715283, 1430566, 2145849, 3576415, 4291698, 7152830, 10729245, 21458490]

約数ペア:

[(1, 21458490), (2, 10729245), (3, 7152830), (5, 4291698), (6, 3576415), (10, 2145849), (15, 1430566), (30, 715283), (367, 58470), (734, 29235), (1101, 19490), (1835, 11694), (1949, 11010), (2202, 9745), (3670, 5847), (3898, 5505)]