21639138

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{189817}}^1$

素因数の和:189841

約数の個数: 16

約数和(自身を含む): 45556320

約数和(自身を除く): 23917182

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 189817, 379634, 569451, 1138902, 3606523, 7213046, 10819569, 21639138]

約数ペア:

[(1, 21639138), (2, 10819569), (3, 7213046), (6, 3606523), (19, 1138902), (38, 569451), (57, 379634), (114, 189817)]