21981567223

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{595981}}^1$

素因数の和:596478

約数の個数: 16

約数和(自身を含む): 27462850560

約数和(自身を除く): 5481283337

約数列:

[1, 7, 11, 77, 479, 3353, 5269, 36883, 595981, 4171867, 6555791, 45890537, 285474899, 1998324293, 3140223889, 21981567223]

約数ペア:

[(1, 21981567223), (7, 3140223889), (11, 1998324293), (77, 285474899), (479, 45890537), (3353, 6555791), (5269, 4171867), (36883, 595981)]