21343460656

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{18329}}^1$

素因数の和:18662

約数の個数: 80

約数和(自身を含む): 48713221440

約数和(自身を除く): 27369760784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 281, 296, 518, 562, 592, 1036, 1124, 1967, 2072, 2248, 3934, 4144, 4496, 7868, 10397, 15736, 18329, 20794, 31472, 36658, 41588, 72779, 73316, 83176, 128303, 145558, 146632, 166352, 256606, 291116, 293264, 513212, 582232, 678173, 1026424, 1164464, 1356346, 2052848, 2712692, 4747211, 5150449, 5425384, 9494422, 10300898, 10850768, 18988844, 20601796, 36053143, 37977688, 41203592, 72106286, 75955376, 82407184, 144212572, 190566613, 288425144, 381133226, 576850288, 762266452, 1333966291, 1524532904, 2667932582, 3049065808, 5335865164, 10671730328, 21343460656]

約数ペア:

[(1, 21343460656), (2, 10671730328), (4, 5335865164), (7, 3049065808), (8, 2667932582), (14, 1524532904), (16, 1333966291), (28, 762266452), (37, 576850288), (56, 381133226), (74, 288425144), (112, 190566613), (148, 144212572), (259, 82407184), (281, 75955376), (296, 72106286), (518, 41203592), (562, 37977688), (592, 36053143), (1036, 20601796), (1124, 18988844), (1967, 10850768), (2072, 10300898), (2248, 9494422), (3934, 5425384), (4144, 5150449), (4496, 4747211), (7868, 2712692), (10397, 2052848), (15736, 1356346), (18329, 1164464), (20794, 1026424), (31472, 678173), (36658, 582232), (41588, 513212), (72779, 293264), (73316, 291116), (83176, 256606), (128303, 166352), (145558, 146632)]