21287733

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{9109}}^1$

素因数の和:9172

約数の個数: 16

約数和(自身を含む): 30609600

約数和(自身を除く): 9321867

約数列:

[1, 3, 19, 41, 57, 123, 779, 2337, 9109, 27327, 173071, 373469, 519213, 1120407, 7095911, 21287733]

約数ペア:

[(1, 21287733), (3, 7095911), (19, 1120407), (41, 519213), (57, 373469), (123, 173071), (779, 27327), (2337, 9109)]