21793808

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{16411}}^1$

素因数の和:16502

約数の個数: 20

約数和(自身を含む): 42736848

約数和(自身を除く): 20943040

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 16411, 32822, 65644, 131288, 262576, 1362113, 2724226, 5448452, 10896904, 21793808]

約数ペア:

[(1, 21793808), (2, 10896904), (4, 5448452), (8, 2724226), (16, 1362113), (83, 262576), (166, 131288), (332, 65644), (664, 32822), (1328, 16411)]