21000299035

素因数分解:

$5^1\times {\mathrm{1213}}^1\times {\mathrm{1559}}^1\times {\mathrm{2221}}^1$

素因数の和:4998

約数の個数: 16

約数和(自身を含む): 25248674880

約数和(自身を除く): 4248375845

約数列:

[1, 5, 1213, 1559, 2221, 6065, 7795, 11105, 1891067, 2694073, 3462539, 9455335, 13470365, 17312695, 4200059807, 21000299035]

約数ペア:

[(1, 21000299035), (5, 4200059807), (1213, 17312695), (1559, 13470365), (2221, 9455335), (6065, 3462539), (7795, 2694073), (11105, 1891067)]