21722305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{13619}}^1$

素因数の和:13664

約数の個数: 16

約数和(自身を含む): 29419200

約数和(自身を除く): 7696895

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 13619, 68095, 149809, 394951, 749045, 1974755, 4344461, 21722305]

約数ペア:

[(1, 21722305), (5, 4344461), (11, 1974755), (29, 749045), (55, 394951), (145, 149809), (319, 68095), (1595, 13619)]