12921910

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14519}}^1$

素因数の和:14615

約数の個数: 16

約数和(自身を含む): 23522400

約数和(自身を除く): 10600490

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 14519, 29038, 72595, 145190, 1292191, 2584382, 6460955, 12921910]

約数ペア:

[(1, 12921910), (2, 6460955), (5, 2584382), (10, 1292191), (89, 145190), (178, 72595), (445, 29038), (890, 14519)]