21481811

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{463}}^1$

素因数の和:602

約数の個数: 16

約数和(自身を含む): 24009216

約数和(自身を除く): 2527405

約数列:

[1, 13, 43, 83, 463, 559, 1079, 3569, 6019, 19909, 38429, 46397, 258817, 499577, 1652447, 21481811]

約数ペア:

[(1, 21481811), (13, 1652447), (43, 499577), (83, 258817), (463, 46397), (559, 38429), (1079, 19909), (3569, 6019)]