21992113

素因数分解:

${\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:118

約数の個数: 32

約数和(自身を含む): 27546624

約数和(自身を除く): 5554511

約数列:

[1, 11, 13, 31, 41, 121, 143, 341, 403, 451, 533, 1271, 1331, 1573, 3751, 4433, 4961, 5863, 13981, 16523, 17303, 41261, 48763, 54571, 64493, 153791, 181753, 536393, 709423, 1691701, 1999283, 21992113]

約数ペア:

[(1, 21992113), (11, 1999283), (13, 1691701), (31, 709423), (41, 536393), (121, 181753), (143, 153791), (341, 64493), (403, 54571), (451, 48763), (533, 41261), (1271, 17303), (1331, 16523), (1573, 13981), (3751, 5863), (4433, 4961)]