21584727

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1223}}^1$

素因数の和:1319

約数の個数: 24

約数和(自身を含む): 32651424

約数和(自身を除く): 11066697

約数列:

[1, 3, 9, 37, 53, 111, 159, 333, 477, 1223, 1961, 3669, 5883, 11007, 17649, 45251, 64819, 135753, 194457, 407259, 583371, 2398303, 7194909, 21584727]

約数ペア:

[(1, 21584727), (3, 7194909), (9, 2398303), (37, 583371), (53, 407259), (111, 194457), (159, 135753), (333, 64819), (477, 45251), (1223, 17649), (1961, 11007), (3669, 5883)]