2021900002

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{3257}}^1\times {\mathrm{8389}}^1$

素因数の和:11685

約数の個数: 16

約数和(自身を含む): 3116146680

約数和(自身を除く): 1094246678

約数列:

[1, 2, 37, 74, 3257, 6514, 8389, 16778, 120509, 241018, 310393, 620786, 27322973, 54645946, 1010950001, 2021900002]

約数ペア:

[(1, 2021900002), (2, 1010950001), (37, 54645946), (74, 27322973), (3257, 620786), (6514, 310393), (8389, 241018), (16778, 120509)]