21602009

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 26455296

約数和(自身を除く): 4853287

約数列:

[1, 11, 13, 31, 121, 143, 341, 403, 443, 1573, 3751, 4433, 4873, 5759, 13733, 48763, 53603, 63349, 151063, 178529, 696839, 1661693, 1963819, 21602009]

約数ペア:

[(1, 21602009), (11, 1963819), (13, 1661693), (31, 696839), (121, 178529), (143, 151063), (341, 63349), (403, 53603), (443, 48763), (1573, 13733), (3751, 5759), (4433, 4873)]