21375350

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10427}}^1$

素因数の和:10480

約数の個数: 24

約数和(自身を含む): 40731768

約数和(自身を除く): 19356418

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 10427, 20854, 52135, 104270, 260675, 427507, 521350, 855014, 2137535, 4275070, 10687675, 21375350]

約数ペア:

[(1, 21375350), (2, 10687675), (5, 4275070), (10, 2137535), (25, 855014), (41, 521350), (50, 427507), (82, 260675), (205, 104270), (410, 52135), (1025, 20854), (2050, 10427)]