21628726

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4783}}^1$

素因数の和:4828

約数の個数: 32

約数和(自身を含む): 41333760

約数和(自身を除く): 19705034

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 2261, 4522, 4783, 9566, 33481, 66962, 81311, 90877, 162622, 181754, 569177, 636139, 1138354, 1272278, 1544909, 3089818, 10814363, 21628726]

約数ペア:

[(1, 21628726), (2, 10814363), (7, 3089818), (14, 1544909), (17, 1272278), (19, 1138354), (34, 636139), (38, 569177), (119, 181754), (133, 162622), (238, 90877), (266, 81311), (323, 66962), (646, 33481), (2261, 9566), (4522, 4783)]