21427630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16111}}^1$

素因数の和:16144

約数の個数: 32

約数和(自身を含む): 46402560

約数和(自身を除く): 24974930

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 16111, 32222, 80555, 112777, 161110, 225554, 306109, 563885, 612218, 1127770, 1530545, 2142763, 3061090, 4285526, 10713815, 21427630]

約数ペア:

[(1, 21427630), (2, 10713815), (5, 4285526), (7, 3061090), (10, 2142763), (14, 1530545), (19, 1127770), (35, 612218), (38, 563885), (70, 306109), (95, 225554), (133, 161110), (190, 112777), (266, 80555), (665, 32222), (1330, 16111)]