21960304

素因数分解:

$2^4\times {\mathrm{1039}}^1\times {\mathrm{1321}}^1$

素因数の和:2368

約数の個数: 20

約数和(自身を含む): 42621280

約数和(自身を除く): 20660976

約数列:

[1, 2, 4, 8, 16, 1039, 1321, 2078, 2642, 4156, 5284, 8312, 10568, 16624, 21136, 1372519, 2745038, 5490076, 10980152, 21960304]

約数ペア:

[(1, 21960304), (2, 10980152), (4, 5490076), (8, 2745038), (16, 1372519), (1039, 21136), (1321, 16624), (2078, 10568), (2642, 8312), (4156, 5284)]