21240542

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1\times {\mathrm{601}}^1$

素因数の和:1075

約数の個数: 16

約数和(自身を含む): 32768064

約数和(自身を除く): 11527522

約数列:

[1, 2, 41, 82, 431, 601, 862, 1202, 17671, 24641, 35342, 49282, 259031, 518062, 10620271, 21240542]

約数ペア:

[(1, 21240542), (2, 10620271), (41, 518062), (82, 259031), (431, 49282), (601, 35342), (862, 24641), (1202, 17671)]