21872982

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4987}}^1$

素因数の和:5052

約数の個数: 32

約数和(自身を含む): 47405952

約数和(自身を除く): 25532970

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 129, 258, 731, 1462, 2193, 4386, 4987, 9974, 14961, 29922, 84779, 169558, 214441, 254337, 428882, 508674, 643323, 1286646, 3645497, 7290994, 10936491, 21872982]

約数ペア:

[(1, 21872982), (2, 10936491), (3, 7290994), (6, 3645497), (17, 1286646), (34, 643323), (43, 508674), (51, 428882), (86, 254337), (102, 214441), (129, 169558), (258, 84779), (731, 29922), (1462, 14961), (2193, 9974), (4386, 4987)]