21546010

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 40201920

約数和(自身を除く): 18655910

約数列:

[1, 2, 5, 10, 43, 86, 89, 178, 215, 430, 445, 563, 890, 1126, 2815, 3827, 5630, 7654, 19135, 24209, 38270, 48418, 50107, 100214, 121045, 242090, 250535, 501070, 2154601, 4309202, 10773005, 21546010]

約数ペア:

[(1, 21546010), (2, 10773005), (5, 4309202), (10, 2154601), (43, 501070), (86, 250535), (89, 242090), (178, 121045), (215, 100214), (430, 50107), (445, 48418), (563, 38270), (890, 24209), (1126, 19135), (2815, 7654), (3827, 5630)]