21475058

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{3889}}^1$

素因数の和:4153

約数の個数: 16

約数和(自身を含む): 35290080

約数和(自身を除く): 13815022

約数列:

[1, 2, 11, 22, 251, 502, 2761, 3889, 5522, 7778, 42779, 85558, 976139, 1952278, 10737529, 21475058]

約数ペア:

[(1, 21475058), (2, 10737529), (11, 1952278), (22, 976139), (251, 85558), (502, 42779), (2761, 7778), (3889, 5522)]