21801366818

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{141567317}}^1$

素因数の和:141567337

約数の個数: 16

約数和(自身を含む): 40771387584

約数和(自身を除く): 18970020766

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 141567317, 283134634, 990971219, 1557240487, 1981942438, 3114480974, 10900683409, 21801366818]

約数ペア:

[(1, 21801366818), (2, 10900683409), (7, 3114480974), (11, 1981942438), (14, 1557240487), (22, 990971219), (77, 283134634), (154, 141567317)]