21260024

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{25801}}^1$

素因数の和:25910

約数の個数: 16

約数和(自身を含む): 40251120

約数和(自身を除く): 18991096

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 25801, 51602, 103204, 206408, 2657503, 5315006, 10630012, 21260024]

約数ペア:

[(1, 21260024), (2, 10630012), (4, 5315006), (8, 2657503), (103, 206408), (206, 103204), (412, 51602), (824, 25801)]