21005019810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{233389109}}^1$

素因数の和:233389122

約数の個数: 24

約数和(自身を含む): 54613051740

約数和(自身を除く): 33608031930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 233389109, 466778218, 700167327, 1166945545, 1400334654, 2100501981, 2333891090, 3500836635, 4201003962, 7001673270, 10502509905, 21005019810]

約数ペア:

[(1, 21005019810), (2, 10502509905), (3, 7001673270), (5, 4201003962), (6, 3500836635), (9, 2333891090), (10, 2100501981), (15, 1400334654), (18, 1166945545), (30, 700167327), (45, 466778218), (90, 233389109)]