21480177

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{2281}}^1$

素因数の和:2400

約数の個数: 16

約数和(自身を含む): 29720768

約数和(自身を除く): 8240591

約数列:

[1, 3, 43, 73, 129, 219, 2281, 3139, 6843, 9417, 98083, 166513, 294249, 499539, 7160059, 21480177]

約数ペア:

[(1, 21480177), (3, 7160059), (43, 499539), (73, 294249), (129, 166513), (219, 98083), (2281, 9417), (3139, 6843)]