212215921

素因数分解:

${\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{1019}}^1$

素因数の和:1248

約数の個数: 16

約数和(自身を含む): 227908800

約数和(自身を除く): 15692879

約数列:

[1, 19, 97, 113, 1019, 1843, 2147, 10961, 19361, 98843, 115147, 208259, 1878017, 2187793, 11169259, 212215921]

約数ペア:

[(1, 212215921), (19, 11169259), (97, 2187793), (113, 1878017), (1019, 208259), (1843, 115147), (2147, 98843), (10961, 19361)]