21289829327

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1\times {\mathrm{86453}}^1$

素因数の和:87482

約数の個数: 16

約数和(自身を含む): 24158705760

約数和(自身を除く): 2868876433

約数列:

[1, 13, 19, 247, 997, 12961, 18943, 86453, 246259, 1123889, 1642607, 21353891, 86193641, 1120517333, 1637679179, 21289829327]

約数ペア:

[(1, 21289829327), (13, 1637679179), (19, 1120517333), (247, 86193641), (997, 21353891), (12961, 1642607), (18943, 1123889), (86453, 246259)]