21537136

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{32831}}^1$

素因数の和:32880

約数の個数: 20

約数和(自身を含む): 42747264

約数和(自身を除く): 21210128

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 32831, 65662, 131324, 262648, 525296, 1346071, 2692142, 5384284, 10768568, 21537136]

約数ペア:

[(1, 21537136), (2, 10768568), (4, 5384284), (8, 2692142), (16, 1346071), (41, 525296), (82, 262648), (164, 131324), (328, 65662), (656, 32831)]