21761377918

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^3\times {\mathrm{163}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 42950891520

約数和(自身を除く): 21189513602

約数列:

[1, 2, 7, 14, 17, 23, 29, 34, 46, 58, 119, 161, 163, 203, 238, 322, 326, 391, 406, 493, 667, 782, 841, 986, 1141, 1334, 1682, 2282, 2737, 2771, 3451, 3749, 4669, 4727, 5474, 5542, 5887, 6902, 7498, 9338, 9454, 11339, 11774, 14297, 19343, 19397, 22678, 24389, 26243, 28594, 33089, 38686, 38794, 48778, 52486, 63733, 66178, 79373, 80359, 100079, 108721, 127466, 135401, 137083, 158746, 160718, 170723, 200158, 217442, 270802, 274166, 328831, 341446, 414613, 446131, 560947, 562513, 657662, 761047, 829226, 892262, 959581, 1121894, 1125026, 1522094, 1848257, 1919162, 2301817, 2330411, 2902291, 3152909, 3696514, 3926629, 3975407, 4603634, 4660822, 5804582, 6305818, 7853258, 7950814, 9536099, 12937799, 16312877, 19072198, 22070363, 25875598, 27827849, 32625754, 44140726, 53599453, 55655698, 66752693, 67581919, 91434361, 107198906, 133505386, 135163838, 182868722, 375196171, 473073433, 640040527, 750392342, 946146866, 1280081054, 1554384137, 3108768274, 10880688959, 21761377918]

約数ペア:

[(1, 21761377918), (2, 10880688959), (7, 3108768274), (14, 1554384137), (17, 1280081054), (23, 946146866), (29, 750392342), (34, 640040527), (46, 473073433), (58, 375196171), (119, 182868722), (161, 135163838), (163, 133505386), (203, 107198906), (238, 91434361), (322, 67581919), (326, 66752693), (391, 55655698), (406, 53599453), (493, 44140726), (667, 32625754), (782, 27827849), (841, 25875598), (986, 22070363), (1141, 19072198), (1334, 16312877), (1682, 12937799), (2282, 9536099), (2737, 7950814), (2771, 7853258), (3451, 6305818), (3749, 5804582), (4669, 4660822), (4727, 4603634), (5474, 3975407), (5542, 3926629), (5887, 3696514), (6902, 3152909), (7498, 2902291), (9338, 2330411), (9454, 2301817), (11339, 1919162), (11774, 1848257), (14297, 1522094), (19343, 1125026), (19397, 1121894), (22678, 959581), (24389, 892262), (26243, 829226), (28594, 761047), (33089, 657662), (38686, 562513), (38794, 560947), (48778, 446131), (52486, 414613), (63733, 341446), (66178, 328831), (79373, 274166), (80359, 270802), (100079, 217442), (108721, 200158), (127466, 170723), (135401, 160718), (137083, 158746)]