21231248

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{45757}}^1$

素因数の和:45794

約数の個数: 20

約数和(自身を含む): 42554940

約数和(自身を除く): 21323692

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 45757, 91514, 183028, 366056, 732112, 1326953, 2653906, 5307812, 10615624, 21231248]

約数ペア:

[(1, 21231248), (2, 10615624), (4, 5307812), (8, 2653906), (16, 1326953), (29, 732112), (58, 366056), (116, 183028), (232, 91514), (464, 45757)]