21495088

素因数分解:

$2^4\times {\mathrm{769}}^1\times {\mathrm{1747}}^1$

素因数の和:2524

約数の個数: 20

約数和(自身を含む): 41724760

約数和(自身を除く): 20229672

約数列:

[1, 2, 4, 8, 16, 769, 1538, 1747, 3076, 3494, 6152, 6988, 12304, 13976, 27952, 1343443, 2686886, 5373772, 10747544, 21495088]

約数ペア:

[(1, 21495088), (2, 10747544), (4, 5373772), (8, 2686886), (16, 1343443), (769, 27952), (1538, 13976), (1747, 12304), (3076, 6988), (3494, 6152)]