21354410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27733}}^1$

素因数の和:27758

約数の個数: 32

約数和(自身を含む): 47924352

約数和(自身を除く): 26569942

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27733, 55466, 138665, 194131, 277330, 305063, 388262, 610126, 970655, 1525315, 1941310, 2135441, 3050630, 4270882, 10677205, 21354410]

約数ペア:

[(1, 21354410), (2, 10677205), (5, 4270882), (7, 3050630), (10, 2135441), (11, 1941310), (14, 1525315), (22, 970655), (35, 610126), (55, 388262), (70, 305063), (77, 277330), (110, 194131), (154, 138665), (385, 55466), (770, 27733)]