21716970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{65809}}^1$

素因数の和:65830

約数の個数: 32

約数和(自身を含む): 56859840

約数和(自身を除く): 35142870

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 65809, 131618, 197427, 329045, 394854, 658090, 723899, 987135, 1447798, 1974270, 2171697, 3619495, 4343394, 7238990, 10858485, 21716970]

約数ペア:

[(1, 21716970), (2, 10858485), (3, 7238990), (5, 4343394), (6, 3619495), (10, 2171697), (11, 1974270), (15, 1447798), (22, 987135), (30, 723899), (33, 658090), (55, 394854), (66, 329045), (110, 197427), (165, 131618), (330, 65809)]