21705156

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{929}}^1$

素因数の和:1009

約数の個数: 72

約数和(自身を含む): 60933600

約数和(自身を除く): 39228444

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 59, 66, 99, 118, 132, 177, 198, 236, 354, 396, 531, 649, 708, 929, 1062, 1298, 1858, 1947, 2124, 2596, 2787, 3716, 3894, 5574, 5841, 7788, 8361, 10219, 11148, 11682, 16722, 20438, 23364, 30657, 33444, 40876, 54811, 61314, 91971, 109622, 122628, 164433, 183942, 219244, 328866, 367884, 493299, 602921, 657732, 986598, 1205842, 1808763, 1973196, 2411684, 3617526, 5426289, 7235052, 10852578, 21705156]

約数ペア:

[(1, 21705156), (2, 10852578), (3, 7235052), (4, 5426289), (6, 3617526), (9, 2411684), (11, 1973196), (12, 1808763), (18, 1205842), (22, 986598), (33, 657732), (36, 602921), (44, 493299), (59, 367884), (66, 328866), (99, 219244), (118, 183942), (132, 164433), (177, 122628), (198, 109622), (236, 91971), (354, 61314), (396, 54811), (531, 40876), (649, 33444), (708, 30657), (929, 23364), (1062, 20438), (1298, 16722), (1858, 11682), (1947, 11148), (2124, 10219), (2596, 8361), (2787, 7788), (3716, 5841), (3894, 5574)]