21174428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{3187}}^1$

素因数の和:3353

約数の個数: 24

約数和(自身を含む): 40704384

約数和(自身を除く): 19529956

約数列:

[1, 2, 4, 11, 22, 44, 151, 302, 604, 1661, 3187, 3322, 6374, 6644, 12748, 35057, 70114, 140228, 481237, 962474, 1924948, 5293607, 10587214, 21174428]

約数ペア:

[(1, 21174428), (2, 10587214), (4, 5293607), (11, 1924948), (22, 962474), (44, 481237), (151, 140228), (302, 70114), (604, 35057), (1661, 12748), (3187, 6644), (3322, 6374)]