21767301

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 33013760

約数和(自身を除く): 11246459

約数列:

[1, 3, 9, 31, 61, 93, 183, 279, 549, 1279, 1891, 3837, 5673, 11511, 17019, 39649, 78019, 118947, 234057, 356841, 702171, 2418589, 7255767, 21767301]

約数ペア:

[(1, 21767301), (3, 7255767), (9, 2418589), (31, 702171), (61, 356841), (93, 234057), (183, 118947), (279, 78019), (549, 39649), (1279, 17019), (1891, 11511), (3837, 5673)]