21048652807

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{37253}}^1$

素因数の和:38167

約数の個数: 24

約数和(自身を含む): 26399078496

約数和(自身を除く): 5350425689

約数列:

[1, 7, 13, 49, 91, 637, 887, 6209, 11531, 37253, 43463, 80717, 260771, 484289, 565019, 1825397, 3390023, 23730161, 33043411, 231303877, 429564343, 1619127139, 3006950401, 21048652807]

約数ペア:

[(1, 21048652807), (7, 3006950401), (13, 1619127139), (49, 429564343), (91, 231303877), (637, 33043411), (887, 23730161), (6209, 3390023), (11531, 1825397), (37253, 565019), (43463, 484289), (80717, 260771)]