21106160

素因数分解:

$2^4\times 5^1\times {\mathrm{263827}}^1$

素因数の和:263840

約数の個数: 20

約数和(自身を含む): 49072008

約数和(自身を除く): 27965848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263827, 527654, 1055308, 1319135, 2110616, 2638270, 4221232, 5276540, 10553080, 21106160]

約数ペア:

[(1, 21106160), (2, 10553080), (4, 5276540), (5, 4221232), (8, 2638270), (10, 2110616), (16, 1319135), (20, 1055308), (40, 527654), (80, 263827)]