21068872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12601}}^1$

素因数の和:12637

約数の個数: 32

約数和(自身を含む): 45367200

約数和(自身を除く): 24298328

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12601, 25202, 50404, 100808, 138611, 239419, 277222, 478838, 554444, 957676, 1108888, 1915352, 2633609, 5267218, 10534436, 21068872]

約数ペア:

[(1, 21068872), (2, 10534436), (4, 5267218), (8, 2633609), (11, 1915352), (19, 1108888), (22, 957676), (38, 554444), (44, 478838), (76, 277222), (88, 239419), (152, 138611), (209, 100808), (418, 50404), (836, 25202), (1672, 12601)]