21644008

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{26267}}^1$

素因数の和:26376

約数の個数: 16

約数和(自身を含む): 40978080

約数和(自身を除く): 19334072

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 26267, 52534, 105068, 210136, 2705501, 5411002, 10822004, 21644008]

約数ペア:

[(1, 21644008), (2, 10822004), (4, 5411002), (8, 2705501), (103, 210136), (206, 105068), (412, 52534), (824, 26267)]