21694704

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 59972352

約数和(自身を除く): 38277648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 43, 46, 48, 69, 86, 92, 129, 138, 172, 184, 258, 276, 344, 368, 457, 516, 552, 688, 914, 989, 1032, 1104, 1371, 1828, 1978, 2064, 2742, 2967, 3656, 3956, 5484, 5934, 7312, 7912, 10511, 10968, 11868, 15824, 19651, 21022, 21936, 23736, 31533, 39302, 42044, 47472, 58953, 63066, 78604, 84088, 117906, 126132, 157208, 168176, 235812, 252264, 314416, 451973, 471624, 504528, 903946, 943248, 1355919, 1807892, 2711838, 3615784, 5423676, 7231568, 10847352, 21694704]

約数ペア:

[(1, 21694704), (2, 10847352), (3, 7231568), (4, 5423676), (6, 3615784), (8, 2711838), (12, 1807892), (16, 1355919), (23, 943248), (24, 903946), (43, 504528), (46, 471624), (48, 451973), (69, 314416), (86, 252264), (92, 235812), (129, 168176), (138, 157208), (172, 126132), (184, 117906), (258, 84088), (276, 78604), (344, 63066), (368, 58953), (457, 47472), (516, 42044), (552, 39302), (688, 31533), (914, 23736), (989, 21936), (1032, 21022), (1104, 19651), (1371, 15824), (1828, 11868), (1978, 10968), (2064, 10511), (2742, 7912), (2967, 7312), (3656, 5934), (3956, 5484)]