21743450

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{7129}}^1$

素因数の和:7202

約数の個数: 24

約数和(自身を含む): 41111580

約数和(自身を除く): 19368130

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 305, 610, 1525, 3050, 7129, 14258, 35645, 71290, 178225, 356450, 434869, 869738, 2174345, 4348690, 10871725, 21743450]

約数ペア:

[(1, 21743450), (2, 10871725), (5, 4348690), (10, 2174345), (25, 869738), (50, 434869), (61, 356450), (122, 178225), (305, 71290), (610, 35645), (1525, 14258), (3050, 7129)]