21932781

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{761}}^1$

素因数の和:1516

約数の個数: 16

約数和(自身を含む): 31577280

約数和(自身を除く): 9644499

約数列:

[1, 3, 13, 39, 739, 761, 2217, 2283, 9607, 9893, 28821, 29679, 562379, 1687137, 7310927, 21932781]

約数ペア:

[(1, 21932781), (3, 7310927), (13, 1687137), (39, 562379), (739, 29679), (761, 28821), (2217, 9893), (2283, 9607)]