2021206585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{642673}}^1$

素因数の和:642732

約数の個数: 16

約数和(自身を含む): 2637534096

約数和(自身を除く): 616327511

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 642673, 3213365, 10925441, 23778901, 54627205, 118894505, 404241317, 2021206585]

約数ペア:

[(1, 2021206585), (5, 404241317), (17, 118894505), (37, 54627205), (85, 23778901), (185, 10925441), (629, 3213365), (3145, 642673)]