2181155056

素因数分解:

$2^4\times {\mathrm{2531}}^1\times {\mathrm{53861}}^1$

素因数の和:56400

約数の個数: 20

約数和(自身を含む): 4227736104

約数和(自身を除く): 2046581048

約数列:

[1, 2, 4, 8, 16, 2531, 5062, 10124, 20248, 40496, 53861, 107722, 215444, 430888, 861776, 136322191, 272644382, 545288764, 1090577528, 2181155056]

約数ペア:

[(1, 2181155056), (2, 1090577528), (4, 545288764), (8, 272644382), (16, 136322191), (2531, 861776), (5062, 430888), (10124, 215444), (20248, 107722), (40496, 53861)]