21612617

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{43}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 25472832

約数和(自身を除く): 3860215

約数列:

[1, 13, 23, 41, 43, 299, 533, 559, 943, 989, 1681, 1763, 12259, 12857, 21853, 22919, 38663, 40549, 72283, 502619, 527137, 939679, 1662509, 21612617]

約数ペア:

[(1, 21612617), (13, 1662509), (23, 939679), (41, 527137), (43, 502619), (299, 72283), (533, 40549), (559, 38663), (943, 22919), (989, 21853), (1681, 12857), (1763, 12259)]