21047844

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{17029}}^1$

素因数の和:17139

約数の個数: 24

約数和(自身を含む): 49591360

約数和(自身を除く): 28543516

約数列:

[1, 2, 3, 4, 6, 12, 103, 206, 309, 412, 618, 1236, 17029, 34058, 51087, 68116, 102174, 204348, 1753987, 3507974, 5261961, 7015948, 10523922, 21047844]

約数ペア:

[(1, 21047844), (2, 10523922), (3, 7015948), (4, 5261961), (6, 3507974), (12, 1753987), (103, 204348), (206, 102174), (309, 68116), (412, 51087), (618, 34058), (1236, 17029)]