21740158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{2251}}^1$

素因数の和:2703

約数の個数: 16

約数和(自身を含む): 35671680

約数和(自身を除く): 13931522

約数列:

[1, 2, 11, 22, 439, 878, 2251, 4502, 4829, 9658, 24761, 49522, 988189, 1976378, 10870079, 21740158]

約数ペア:

[(1, 21740158), (2, 10870079), (11, 1976378), (22, 988189), (439, 49522), (878, 24761), (2251, 9658), (4502, 4829)]