21031976

素因数分解:

$2^3\times 7^2\times {\mathrm{53653}}^1$

素因数の和:53673

約数の個数: 24

約数和(自身を含む): 45874170

約数和(自身を除く): 24842194

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 53653, 107306, 214612, 375571, 429224, 751142, 1502284, 2628997, 3004568, 5257994, 10515988, 21031976]

約数ペア:

[(1, 21031976), (2, 10515988), (4, 5257994), (7, 3004568), (8, 2628997), (14, 1502284), (28, 751142), (49, 429224), (56, 375571), (98, 214612), (196, 107306), (392, 53653)]