21792836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5741}}^1$

素因数の和:5831

約数の個数: 24

約数和(自身を含む): 41640984

約数和(自身を除く): 19848148

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 5741, 11482, 22964, 74633, 149266, 298532, 419093, 838186, 1676372, 5448209, 10896418, 21792836]

約数ペア:

[(1, 21792836), (2, 10896418), (4, 5448209), (13, 1676372), (26, 838186), (52, 419093), (73, 298532), (146, 149266), (292, 74633), (949, 22964), (1898, 11482), (3796, 5741)]