21315511166

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{857629}}^1$

素因数の和:857708

約数の個数: 24

約数和(自身を含む): 34754598120

約数和(自身を除く): 13439086954

約数列:

[1, 2, 17, 34, 43, 86, 289, 578, 731, 1462, 12427, 24854, 857629, 1715258, 14579693, 29159386, 36878047, 73756094, 247854781, 495709562, 626926799, 1253853598, 10657755583, 21315511166]

約数ペア:

[(1, 21315511166), (2, 10657755583), (17, 1253853598), (34, 626926799), (43, 495709562), (86, 247854781), (289, 73756094), (578, 36878047), (731, 29159386), (1462, 14579693), (12427, 1715258), (24854, 857629)]