21000913308

素因数分解:

$2^2\times 3^3\times {\mathrm{331}}^1\times {\mathrm{347}}^1\times {\mathrm{1693}}^1$

素因数の和:2384

約数の個数: 96

約数和(自身を含む): 54801035520

約数和(自身を除く): 33800122212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 331, 347, 662, 694, 993, 1041, 1324, 1388, 1693, 1986, 2082, 2979, 3123, 3386, 3972, 4164, 5079, 5958, 6246, 6772, 8937, 9369, 10158, 11916, 12492, 15237, 17874, 18738, 20316, 30474, 35748, 37476, 45711, 60948, 91422, 114857, 182844, 229714, 344571, 459428, 560383, 587471, 689142, 1033713, 1120766, 1174942, 1378284, 1681149, 1762413, 2067426, 2241532, 2349884, 3101139, 3362298, 3524826, 4134852, 5043447, 5287239, 6202278, 6724596, 7049652, 10086894, 10574478, 12404556, 15130341, 15861717, 20173788, 21148956, 30260682, 31723434, 60521364, 63446868, 194452901, 388905802, 583358703, 777811604, 1166717406, 1750076109, 2333434812, 3500152218, 5250228327, 7000304436, 10500456654, 21000913308]

約数ペア:

[(1, 21000913308), (2, 10500456654), (3, 7000304436), (4, 5250228327), (6, 3500152218), (9, 2333434812), (12, 1750076109), (18, 1166717406), (27, 777811604), (36, 583358703), (54, 388905802), (108, 194452901), (331, 63446868), (347, 60521364), (662, 31723434), (694, 30260682), (993, 21148956), (1041, 20173788), (1324, 15861717), (1388, 15130341), (1693, 12404556), (1986, 10574478), (2082, 10086894), (2979, 7049652), (3123, 6724596), (3386, 6202278), (3972, 5287239), (4164, 5043447), (5079, 4134852), (5958, 3524826), (6246, 3362298), (6772, 3101139), (8937, 2349884), (9369, 2241532), (10158, 2067426), (11916, 1762413), (12492, 1681149), (15237, 1378284), (17874, 1174942), (18738, 1120766), (20316, 1033713), (30474, 689142), (35748, 587471), (37476, 560383), (45711, 459428), (60948, 344571), (91422, 229714), (114857, 182844)]