21927995

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3251}}^1$

素因数の和:3346

約数の個数: 16

約数和(自身を含む): 28097280

約数和(自身を除く): 6169285

約数列:

[1, 5, 19, 71, 95, 355, 1349, 3251, 6745, 16255, 61769, 230821, 308845, 1154105, 4385599, 21927995]

約数ペア:

[(1, 21927995), (5, 4385599), (19, 1154105), (71, 308845), (95, 230821), (355, 61769), (1349, 16255), (3251, 6745)]