21577562

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{971}}^1$

素因数の和:1285

約数の個数: 16

約数和(自身を含む): 33312384

約数和(自身を除く): 11734822

約数列:

[1, 2, 41, 82, 271, 542, 971, 1942, 11111, 22222, 39811, 79622, 263141, 526282, 10788781, 21577562]

約数ペア:

[(1, 21577562), (2, 10788781), (41, 526282), (82, 263141), (271, 79622), (542, 39811), (971, 22222), (1942, 11111)]