21726448

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{13999}}^1$

素因数の和:14104

約数の個数: 20

約数和(自身を含む): 42532000

約数和(自身を除く): 20805552

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 13999, 27998, 55996, 111992, 223984, 1357903, 2715806, 5431612, 10863224, 21726448]

約数ペア:

[(1, 21726448), (2, 10863224), (4, 5431612), (8, 2715806), (16, 1357903), (97, 223984), (194, 111992), (388, 55996), (776, 27998), (1552, 13999)]