21392836

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{827}}^1$

素因数の和:1083

約数の個数: 24

約数和(自身を含む): 38949120

約数和(自身を除く): 17556284

約数列:

[1, 2, 4, 29, 58, 116, 223, 446, 827, 892, 1654, 3308, 6467, 12934, 23983, 25868, 47966, 95932, 184421, 368842, 737684, 5348209, 10696418, 21392836]

約数ペア:

[(1, 21392836), (2, 10696418), (4, 5348209), (29, 737684), (58, 368842), (116, 184421), (223, 95932), (446, 47966), (827, 25868), (892, 23983), (1654, 12934), (3308, 6467)]