21086596

素因数分解:

$2^2\times {\mathrm{17}}^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 41655600

約数和(自身を除く): 20569004

約数列:

[1, 2, 4, 17, 29, 34, 37, 58, 68, 74, 116, 148, 289, 493, 578, 629, 986, 1073, 1156, 1258, 1972, 2146, 2516, 4292, 4913, 8381, 9826, 10693, 16762, 18241, 19652, 21386, 33524, 36482, 42772, 72964, 142477, 181781, 284954, 310097, 363562, 569908, 620194, 727124, 1240388, 5271649, 10543298, 21086596]

約数ペア:

[(1, 21086596), (2, 10543298), (4, 5271649), (17, 1240388), (29, 727124), (34, 620194), (37, 569908), (58, 363562), (68, 310097), (74, 284954), (116, 181781), (148, 142477), (289, 72964), (493, 42772), (578, 36482), (629, 33524), (986, 21386), (1073, 19652), (1156, 18241), (1258, 16762), (1972, 10693), (2146, 9826), (2516, 8381), (4292, 4913)]