2021196112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{9717289}}^1$

素因数の和:9717310

約数の個数: 20

約数和(自身を含む): 4217303860

約数和(自身を除く): 2196107748

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 9717289, 19434578, 38869156, 77738312, 126324757, 155476624, 252649514, 505299028, 1010598056, 2021196112]

約数ペア:

[(1, 2021196112), (2, 1010598056), (4, 505299028), (8, 252649514), (13, 155476624), (16, 126324757), (26, 77738312), (52, 38869156), (104, 19434578), (208, 9717289)]