21159977

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1181}}^1$

素因数の和:1264

約数の個数: 16

約数和(自身を含む): 23829120

約数和(自身を除く): 2669143

約数列:

[1, 19, 23, 41, 437, 779, 943, 1181, 17917, 22439, 27163, 48421, 516097, 919999, 1113683, 21159977]

約数ペア:

[(1, 21159977), (19, 1113683), (23, 919999), (41, 516097), (437, 48421), (779, 27163), (943, 22439), (1181, 17917)]