21555266

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{1459}}^1$

素因数の和:1633

約数の個数: 16

約数和(自身を含む): 33112800

約数和(自身を除く): 11557534

約数列:

[1, 2, 83, 89, 166, 178, 1459, 2918, 7387, 14774, 121097, 129851, 242194, 259702, 10777633, 21555266]

約数ペア:

[(1, 21555266), (2, 10777633), (83, 259702), (89, 242194), (166, 129851), (178, 121097), (1459, 14774), (2918, 7387)]