21730538

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1\times {\mathrm{1091}}^1$

素因数の和:1549

約数の個数: 16

約数和(自身を含む): 34122816

約数和(自身を除く): 12392278

約数列:

[1, 2, 23, 46, 433, 866, 1091, 2182, 9959, 19918, 25093, 50186, 472403, 944806, 10865269, 21730538]

約数ペア:

[(1, 21730538), (2, 10865269), (23, 944806), (46, 472403), (433, 50186), (866, 25093), (1091, 19918), (2182, 9959)]