21873267

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{617}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 35300160

約数和(自身を除く): 13426893

約数列:

[1, 3, 9, 13, 27, 39, 101, 117, 303, 351, 617, 909, 1313, 1851, 2727, 3939, 5553, 8021, 11817, 16659, 24063, 35451, 62317, 72189, 186951, 216567, 560853, 810121, 1682559, 2430363, 7291089, 21873267]

約数ペア:

[(1, 21873267), (3, 7291089), (9, 2430363), (13, 1682559), (27, 810121), (39, 560853), (101, 216567), (117, 186951), (303, 72189), (351, 62317), (617, 35451), (909, 24063), (1313, 16659), (1851, 11817), (2727, 8021), (3939, 5553)]