21793828

素因数分解:

$2^2\times 7^2\times {\mathrm{251}}^1\times {\mathrm{443}}^1$

素因数の和:712

約数の個数: 36

約数和(自身を含む): 44643312

約数和(自身を除く): 22849484

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 251, 443, 502, 886, 1004, 1757, 1772, 3101, 3514, 6202, 7028, 12299, 12404, 21707, 24598, 43414, 49196, 86828, 111193, 222386, 444772, 778351, 1556702, 3113404, 5448457, 10896914, 21793828]

約数ペア:

[(1, 21793828), (2, 10896914), (4, 5448457), (7, 3113404), (14, 1556702), (28, 778351), (49, 444772), (98, 222386), (196, 111193), (251, 86828), (443, 49196), (502, 43414), (886, 24598), (1004, 21707), (1757, 12404), (1772, 12299), (3101, 7028), (3514, 6202)]