21389754

素因数分解:

$2^1\times 3^1\times {\mathrm{151}}^1\times {\mathrm{23609}}^1$

素因数の和:23765

約数の個数: 16

約数和(自身を含む): 43064640

約数和(自身を除く): 21674886

約数列:

[1, 2, 3, 6, 151, 302, 453, 906, 23609, 47218, 70827, 141654, 3564959, 7129918, 10694877, 21389754]

約数ペア:

[(1, 21389754), (2, 10694877), (3, 7129918), (6, 3564959), (151, 141654), (302, 70827), (453, 47218), (906, 23609)]