21269130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1579}}^1$

素因数の和:2038

約数の個数: 32

約数和(自身を含む): 51192000

約数和(自身を除く): 29922870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 449, 898, 1347, 1579, 2245, 2694, 3158, 4490, 4737, 6735, 7895, 9474, 13470, 15790, 23685, 47370, 708971, 1417942, 2126913, 3544855, 4253826, 7089710, 10634565, 21269130]

約数ペア:

[(1, 21269130), (2, 10634565), (3, 7089710), (5, 4253826), (6, 3544855), (10, 2126913), (15, 1417942), (30, 708971), (449, 47370), (898, 23685), (1347, 15790), (1579, 13470), (2245, 9474), (2694, 7895), (3158, 6735), (4490, 4737)]