21522436

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3259}}^1$

素因数の和:3403

約数の個数: 24

約数和(自身を含む): 40893440

約数和(自身を除く): 19371004

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3259, 3302, 6518, 6604, 13036, 42367, 84734, 169468, 413893, 827786, 1655572, 5380609, 10761218, 21522436]

約数ペア:

[(1, 21522436), (2, 10761218), (4, 5380609), (13, 1655572), (26, 827786), (52, 413893), (127, 169468), (254, 84734), (508, 42367), (1651, 13036), (3259, 6604), (3302, 6518)]