21897898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{1787}}^1$

素因数の和:2357

約数の個数: 16

約数和(自身を含む): 35917344

約数和(自身を除く): 14019446

約数列:

[1, 2, 11, 22, 557, 1114, 1787, 3574, 6127, 12254, 19657, 39314, 995359, 1990718, 10948949, 21897898]

約数ペア:

[(1, 21897898), (2, 10948949), (11, 1990718), (22, 995359), (557, 39314), (1114, 19657), (1787, 12254), (3574, 6127)]