21863242

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{863}}^1$

素因数の和:1157

約数の個数: 16

約数和(自身を含む): 33592320

約数和(自身を除く): 11729078

約数列:

[1, 2, 53, 106, 239, 478, 863, 1726, 12667, 25334, 45739, 91478, 206257, 412514, 10931621, 21863242]

約数ペア:

[(1, 21863242), (2, 10931621), (53, 412514), (106, 206257), (239, 91478), (478, 45739), (863, 25334), (1726, 12667)]