21521022064

素因数分解:

$2^4\times {\mathrm{457}}^1\times {\mathrm{2943247}}^1$

素因数の和:2943712

約数の個数: 20

約数和(自身を含む): 41788235104

約数和(自身を除く): 20267213040

約数列:

[1, 2, 4, 8, 16, 457, 914, 1828, 3656, 7312, 2943247, 5886494, 11772988, 23545976, 47091952, 1345063879, 2690127758, 5380255516, 10760511032, 21521022064]

約数ペア:

[(1, 21521022064), (2, 10760511032), (4, 5380255516), (8, 2690127758), (16, 1345063879), (457, 47091952), (914, 23545976), (1828, 11772988), (3656, 5886494), (7312, 2943247)]