21538252

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2803}}^1$

素因数の和:2937

約数の個数: 24

約数和(自身を含む): 40276656

約数和(自身を除く): 18738404

約数列:

[1, 2, 4, 17, 34, 68, 113, 226, 452, 1921, 2803, 3842, 5606, 7684, 11212, 47651, 95302, 190604, 316739, 633478, 1266956, 5384563, 10769126, 21538252]

約数ペア:

[(1, 21538252), (2, 10769126), (4, 5384563), (17, 1266956), (34, 633478), (68, 316739), (113, 190604), (226, 95302), (452, 47651), (1921, 11212), (2803, 7684), (3842, 5606)]