21906160

素因数分解:

$2^4\times 5^1\times {\mathrm{273827}}^1$

素因数の和:273840

約数の個数: 20

約数和(自身を含む): 50932008

約数和(自身を除く): 29025848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 273827, 547654, 1095308, 1369135, 2190616, 2738270, 4381232, 5476540, 10953080, 21906160]

約数ペア:

[(1, 21906160), (2, 10953080), (4, 5476540), (5, 4381232), (8, 2738270), (10, 2190616), (16, 1369135), (20, 1095308), (40, 547654), (80, 273827)]