21221180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46133}}^1$

素因数の和:46165

約数の個数: 24

約数和(自身を含む): 46503072

約数和(自身を除く): 25281892

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 46133, 92266, 184532, 230665, 461330, 922660, 1061059, 2122118, 4244236, 5305295, 10610590, 21221180]

約数ペア:

[(1, 21221180), (2, 10610590), (4, 5305295), (5, 4244236), (10, 2122118), (20, 1061059), (23, 922660), (46, 461330), (92, 230665), (115, 184532), (230, 92266), (460, 46133)]