21000565445

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{6701}}^1\times {\mathrm{20219}}^1$

素因数の和:26956

約数の個数: 16

約数和(自身を含む): 26018772480

約数和(自身を除く): 5018207035

約数列:

[1, 5, 31, 155, 6701, 20219, 33505, 101095, 207731, 626789, 1038655, 3133945, 135487519, 677437595, 4200113089, 21000565445]

約数ペア:

[(1, 21000565445), (5, 4200113089), (31, 677437595), (155, 135487519), (6701, 3133945), (20219, 1038655), (33505, 626789), (101095, 207731)]