21046284

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 65691360

約数和(自身を除く): 44645076

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 41, 42, 49, 54, 63, 82, 84, 97, 98, 108, 123, 126, 147, 164, 189, 194, 196, 246, 252, 287, 291, 294, 369, 378, 388, 441, 492, 574, 582, 588, 679, 738, 756, 861, 873, 882, 1107, 1148, 1164, 1323, 1358, 1476, 1722, 1746, 1764, 2009, 2037, 2214, 2583, 2619, 2646, 2716, 3444, 3492, 3977, 4018, 4074, 4428, 4753, 5166, 5238, 5292, 6027, 6111, 7749, 7954, 8036, 8148, 9506, 10332, 10476, 11931, 12054, 12222, 14259, 15498, 15908, 18081, 18333, 19012, 23862, 24108, 24444, 27839, 28518, 30996, 35793, 36162, 36666, 42777, 47724, 54243, 55678, 57036, 71586, 72324, 73332, 83517, 85554, 107379, 108486, 111356, 128331, 143172, 167034, 171108, 194873, 214758, 216972, 250551, 256662, 334068, 389746, 429516, 501102, 513324, 584619, 751653, 779492, 1002204, 1169238, 1503306, 1753857, 2338476, 3006612, 3507714, 5261571, 7015428, 10523142, 21046284]

約数ペア:

[(1, 21046284), (2, 10523142), (3, 7015428), (4, 5261571), (6, 3507714), (7, 3006612), (9, 2338476), (12, 1753857), (14, 1503306), (18, 1169238), (21, 1002204), (27, 779492), (28, 751653), (36, 584619), (41, 513324), (42, 501102), (49, 429516), (54, 389746), (63, 334068), (82, 256662), (84, 250551), (97, 216972), (98, 214758), (108, 194873), (123, 171108), (126, 167034), (147, 143172), (164, 128331), (189, 111356), (194, 108486), (196, 107379), (246, 85554), (252, 83517), (287, 73332), (291, 72324), (294, 71586), (369, 57036), (378, 55678), (388, 54243), (441, 47724), (492, 42777), (574, 36666), (582, 36162), (588, 35793), (679, 30996), (738, 28518), (756, 27839), (861, 24444), (873, 24108), (882, 23862), (1107, 19012), (1148, 18333), (1164, 18081), (1323, 15908), (1358, 15498), (1476, 14259), (1722, 12222), (1746, 12054), (1764, 11931), (2009, 10476), (2037, 10332), (2214, 9506), (2583, 8148), (2619, 8036), (2646, 7954), (2716, 7749), (3444, 6111), (3492, 6027), (3977, 5292), (4018, 5238), (4074, 5166), (4428, 4753)]