21574007

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{619}}^1$

素因数の和:1022

約数の個数: 16

約数和(自身を含む): 26664960

約数和(自身を除く): 5090953

約数列:

[1, 7, 13, 91, 383, 619, 2681, 4333, 4979, 8047, 34853, 56329, 237077, 1659539, 3082001, 21574007]

約数ペア:

[(1, 21574007), (7, 3082001), (13, 1659539), (91, 237077), (383, 56329), (619, 34853), (2681, 8047), (4333, 4979)]