21771258

素因数分解:

$2^1\times 3^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 44421696

約数和(自身を除く): 22650438

約数列:

[1, 2, 3, 6, 113, 163, 197, 226, 326, 339, 394, 489, 591, 678, 978, 1182, 18419, 22261, 32111, 36838, 44522, 55257, 64222, 66783, 96333, 110514, 133566, 192666, 3628543, 7257086, 10885629, 21771258]

約数ペア:

[(1, 21771258), (2, 10885629), (3, 7257086), (6, 3628543), (113, 192666), (163, 133566), (197, 110514), (226, 96333), (326, 66783), (339, 64222), (394, 55257), (489, 44522), (591, 36838), (678, 32111), (978, 22261), (1182, 18419)]