2121860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8161}}^1$

素因数の和:8183

約数の個数: 24

約数和(自身を含む): 4799256

約数和(自身を除く): 2677396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8161, 16322, 32644, 40805, 81610, 106093, 163220, 212186, 424372, 530465, 1060930, 2121860]

約数ペア:

[(1, 2121860), (2, 1060930), (4, 530465), (5, 424372), (10, 212186), (13, 163220), (20, 106093), (26, 81610), (52, 40805), (65, 32644), (130, 16322), (260, 8161)]