21921350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{39857}}^1$

素因数の和:39880

約数の個数: 24

約数和(自身を含む): 44481528

約数和(自身を除く): 22560178

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 39857, 79714, 199285, 398570, 438427, 876854, 996425, 1992850, 2192135, 4384270, 10960675, 21921350]

約数ペア:

[(1, 21921350), (2, 10960675), (5, 4384270), (10, 2192135), (11, 1992850), (22, 996425), (25, 876854), (50, 438427), (55, 398570), (110, 199285), (275, 79714), (550, 39857)]