21896759

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 24364800

約数和(自身を除く): 2468041

約数列:

[1, 19, 23, 89, 437, 563, 1691, 2047, 10697, 12949, 38893, 50107, 246031, 952033, 1152461, 21896759]

約数ペア:

[(1, 21896759), (19, 1152461), (23, 952033), (89, 246031), (437, 50107), (563, 38893), (1691, 12949), (2047, 10697)]