21381001026

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{12967}}^1$

素因数の和:13116

約数の個数: 128

約数和(自身を含む): 55215046656

約数和(自身を除く): 33834045630

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 43, 66, 77, 83, 86, 129, 154, 166, 231, 249, 258, 301, 462, 473, 498, 581, 602, 903, 913, 946, 1162, 1419, 1743, 1806, 1826, 2739, 2838, 3311, 3486, 3569, 5478, 6391, 6622, 7138, 9933, 10707, 12782, 12967, 19173, 19866, 21414, 24983, 25934, 38346, 38901, 39259, 49966, 74949, 77802, 78518, 90769, 117777, 142637, 149898, 181538, 235554, 272307, 274813, 285274, 427911, 544614, 549626, 557581, 824439, 855822, 998459, 1076261, 1115162, 1648878, 1672743, 1996918, 2152522, 2995377, 3228783, 3345486, 3903067, 5990754, 6133391, 6457566, 7533827, 7806134, 11709201, 11838871, 12266782, 15067654, 18400173, 22601481, 23418402, 23677742, 35516613, 36800346, 42933737, 45202962, 46279223, 71033226, 82872097, 85867474, 92558446, 128801211, 138837669, 165744194, 248616291, 257602422, 277675338, 323954561, 497232582, 509071453, 647909122, 971863683, 1018142906, 1527214359, 1943727366, 3054428718, 3563500171, 7127000342, 10690500513, 21381001026]

約数ペア:

[(1, 21381001026), (2, 10690500513), (3, 7127000342), (6, 3563500171), (7, 3054428718), (11, 1943727366), (14, 1527214359), (21, 1018142906), (22, 971863683), (33, 647909122), (42, 509071453), (43, 497232582), (66, 323954561), (77, 277675338), (83, 257602422), (86, 248616291), (129, 165744194), (154, 138837669), (166, 128801211), (231, 92558446), (249, 85867474), (258, 82872097), (301, 71033226), (462, 46279223), (473, 45202962), (498, 42933737), (581, 36800346), (602, 35516613), (903, 23677742), (913, 23418402), (946, 22601481), (1162, 18400173), (1419, 15067654), (1743, 12266782), (1806, 11838871), (1826, 11709201), (2739, 7806134), (2838, 7533827), (3311, 6457566), (3486, 6133391), (3569, 5990754), (5478, 3903067), (6391, 3345486), (6622, 3228783), (7138, 2995377), (9933, 2152522), (10707, 1996918), (12782, 1672743), (12967, 1648878), (19173, 1115162), (19866, 1076261), (21414, 998459), (24983, 855822), (25934, 824439), (38346, 557581), (38901, 549626), (39259, 544614), (49966, 427911), (74949, 285274), (77802, 274813), (78518, 272307), (90769, 235554), (117777, 181538), (142637, 149898)]