21106554

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 53778816

約数和(自身を除く): 32672262

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 41, 42, 49, 51, 82, 98, 102, 103, 119, 123, 147, 206, 238, 246, 287, 294, 309, 357, 574, 618, 697, 714, 721, 833, 861, 1394, 1442, 1666, 1722, 1751, 2009, 2091, 2163, 2499, 3502, 4018, 4182, 4223, 4326, 4879, 4998, 5047, 5253, 6027, 8446, 9758, 10094, 10506, 12054, 12257, 12669, 14637, 15141, 24514, 25338, 29274, 29561, 30282, 34153, 36771, 59122, 68306, 71791, 73542, 85799, 88683, 102459, 143582, 171598, 177366, 204918, 206927, 215373, 257397, 413854, 430746, 502537, 514794, 620781, 1005074, 1241562, 1507611, 3015222, 3517759, 7035518, 10553277, 21106554]

約数ペア:

[(1, 21106554), (2, 10553277), (3, 7035518), (6, 3517759), (7, 3015222), (14, 1507611), (17, 1241562), (21, 1005074), (34, 620781), (41, 514794), (42, 502537), (49, 430746), (51, 413854), (82, 257397), (98, 215373), (102, 206927), (103, 204918), (119, 177366), (123, 171598), (147, 143582), (206, 102459), (238, 88683), (246, 85799), (287, 73542), (294, 71791), (309, 68306), (357, 59122), (574, 36771), (618, 34153), (697, 30282), (714, 29561), (721, 29274), (833, 25338), (861, 24514), (1394, 15141), (1442, 14637), (1666, 12669), (1722, 12257), (1751, 12054), (2009, 10506), (2091, 10094), (2163, 9758), (2499, 8446), (3502, 6027), (4018, 5253), (4182, 5047), (4223, 4998), (4326, 4879)]