21000737104

素因数分解:

$2^4\times {\mathrm{61933}}^1\times {\mathrm{21193}}^1$

素因数の和:83134

約数の個数: 20

約数和(自身を含む): 40691505076

約数和(自身を除く): 19690767972

約数列:

[1, 2, 4, 8, 16, 21193, 42386, 61933, 84772, 123866, 169544, 247732, 339088, 495464, 990928, 1312546069, 2625092138, 5250184276, 10500368552, 21000737104]

約数ペア:

[(1, 21000737104), (2, 10500368552), (4, 5250184276), (8, 2625092138), (16, 1312546069), (21193, 990928), (42386, 495464), (61933, 339088), (84772, 247732), (123866, 169544)]