21312906

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{42797}}^1$

素因数の和:42885

約数の個数: 16

約数和(自身を含む): 43140384

約数和(自身を除く): 21827478

約数列:

[1, 2, 3, 6, 83, 166, 249, 498, 42797, 85594, 128391, 256782, 3552151, 7104302, 10656453, 21312906]

約数ペア:

[(1, 21312906), (2, 10656453), (3, 7104302), (6, 3552151), (83, 256782), (166, 128391), (249, 85594), (498, 42797)]