21555196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21817}}^1$

素因数の和:21853

約数の個数: 24

約数和(自身を含む): 42763280

約数和(自身を除く): 21208084

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21817, 43634, 87268, 283621, 414523, 567242, 829046, 1134484, 1658092, 5388799, 10777598, 21555196]

約数ペア:

[(1, 21555196), (2, 10777598), (4, 5388799), (13, 1658092), (19, 1134484), (26, 829046), (38, 567242), (52, 414523), (76, 283621), (247, 87268), (494, 43634), (988, 21817)]