21722860

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{7193}}^1$

素因数の和:7353

約数の個数: 24

約数和(自身を含む): 45926496

約数和(自身を除く): 24203636

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 7193, 14386, 28772, 35965, 71930, 143860, 1086143, 2172286, 4344572, 5430715, 10861430, 21722860]

約数ペア:

[(1, 21722860), (2, 10861430), (4, 5430715), (5, 4344572), (10, 2172286), (20, 1086143), (151, 143860), (302, 71930), (604, 35965), (755, 28772), (1510, 14386), (3020, 7193)]