21197654

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1\times {\mathrm{919}}^1$

素因数の和:1547

約数の個数: 16

約数和(自身を含む): 33561600

約数和(自身を除く): 12363946

約数列:

[1, 2, 19, 38, 607, 919, 1214, 1838, 11533, 17461, 23066, 34922, 557833, 1115666, 10598827, 21197654]

約数ペア:

[(1, 21197654), (2, 10598827), (19, 1115666), (38, 557833), (607, 34922), (919, 23066), (1214, 17461), (1838, 11533)]