21372739

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 23616000

約数和(自身を除く): 2243261

約数列:

[1, 19, 29, 79, 491, 551, 1501, 2291, 9329, 14239, 38789, 43529, 270541, 736991, 1124881, 21372739]

約数ペア:

[(1, 21372739), (19, 1124881), (29, 736991), (79, 270541), (491, 43529), (551, 38789), (1501, 14239), (2291, 9329)]