21359319

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{823}}^1$

素因数の和:1078

約数の個数: 16

約数和(自身を含む): 29347584

約数和(自身を除く): 7988265

約数列:

[1, 3, 41, 123, 211, 633, 823, 2469, 8651, 25953, 33743, 101229, 173653, 520959, 7119773, 21359319]

約数ペア:

[(1, 21359319), (3, 7119773), (41, 520959), (123, 173653), (211, 101229), (633, 33743), (823, 25953), (2469, 8651)]