21251802

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:124

約数の個数: 128

約数和(自身を含む): 55738368

約数和(自身を除く): 34486566

約数列:

[1, 2, 3, 6, 11, 13, 17, 22, 26, 31, 33, 34, 39, 47, 51, 62, 66, 78, 93, 94, 102, 141, 143, 186, 187, 221, 282, 286, 341, 374, 403, 429, 442, 517, 527, 561, 611, 663, 682, 799, 806, 858, 1023, 1034, 1054, 1122, 1209, 1222, 1326, 1457, 1551, 1581, 1598, 1833, 2046, 2397, 2418, 2431, 2914, 3102, 3162, 3666, 4371, 4433, 4794, 4862, 5797, 6721, 6851, 7293, 8742, 8789, 8866, 10387, 11594, 13299, 13442, 13702, 14586, 16027, 17391, 17578, 18941, 20163, 20553, 20774, 24769, 26367, 26598, 31161, 32054, 34782, 37882, 40326, 41106, 48081, 49538, 52734, 56823, 62322, 74307, 75361, 96162, 113646, 114257, 148614, 150722, 208351, 226083, 228514, 272459, 321997, 342771, 416702, 452166, 544918, 625053, 643994, 685542, 817377, 965991, 1250106, 1634754, 1931982, 3541967, 7083934, 10625901, 21251802]

約数ペア:

[(1, 21251802), (2, 10625901), (3, 7083934), (6, 3541967), (11, 1931982), (13, 1634754), (17, 1250106), (22, 965991), (26, 817377), (31, 685542), (33, 643994), (34, 625053), (39, 544918), (47, 452166), (51, 416702), (62, 342771), (66, 321997), (78, 272459), (93, 228514), (94, 226083), (102, 208351), (141, 150722), (143, 148614), (186, 114257), (187, 113646), (221, 96162), (282, 75361), (286, 74307), (341, 62322), (374, 56823), (403, 52734), (429, 49538), (442, 48081), (517, 41106), (527, 40326), (561, 37882), (611, 34782), (663, 32054), (682, 31161), (799, 26598), (806, 26367), (858, 24769), (1023, 20774), (1034, 20553), (1054, 20163), (1122, 18941), (1209, 17578), (1222, 17391), (1326, 16027), (1457, 14586), (1551, 13702), (1581, 13442), (1598, 13299), (1833, 11594), (2046, 10387), (2397, 8866), (2418, 8789), (2431, 8742), (2914, 7293), (3102, 6851), (3162, 6721), (3666, 5797), (4371, 4862), (4433, 4794)]