21077660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{45821}}^1$

素因数の和:45853

約数の個数: 24

約数和(自身を含む): 46188576

約数和(自身を除く): 25110916

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 45821, 91642, 183284, 229105, 458210, 916420, 1053883, 2107766, 4215532, 5269415, 10538830, 21077660]

約数ペア:

[(1, 21077660), (2, 10538830), (4, 5269415), (5, 4215532), (10, 2107766), (20, 1053883), (23, 916420), (46, 458210), (92, 229105), (115, 183284), (230, 91642), (460, 45821)]