21113220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{351887}}^1$

素因数の和:351899

約数の個数: 24

約数和(自身を含む): 59117184

約数和(自身を除く): 38003964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 351887, 703774, 1055661, 1407548, 1759435, 2111322, 3518870, 4222644, 5278305, 7037740, 10556610, 21113220]

約数ペア:

[(1, 21113220), (2, 10556610), (3, 7037740), (4, 5278305), (5, 4222644), (6, 3518870), (10, 2111322), (12, 1759435), (15, 1407548), (20, 1055661), (30, 703774), (60, 351887)]