21429724

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{10867}}^1$

素因数の和:10917

約数の個数: 24

約数和(自身を含む): 41081040

約数和(自身を除く): 19651316

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 116, 493, 986, 1972, 10867, 21734, 43468, 184739, 315143, 369478, 630286, 738956, 1260572, 5357431, 10714862, 21429724]

約数ペア:

[(1, 21429724), (2, 10714862), (4, 5357431), (17, 1260572), (29, 738956), (34, 630286), (58, 369478), (68, 315143), (116, 184739), (493, 43468), (986, 21734), (1972, 10867)]