21168869

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:524

約数の個数: 16

約数和(自身を含む): 23337600

約数和(自身を除く): 2168731

約数列:

[1, 19, 29, 103, 373, 551, 1957, 2987, 7087, 10817, 38419, 56753, 205523, 729961, 1114151, 21168869]

約数ペア:

[(1, 21168869), (19, 1114151), (29, 729961), (103, 205523), (373, 56753), (551, 38419), (1957, 10817), (2987, 7087)]