21511512

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 64331280

約数和(自身を除く): 42819768

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 157, 173, 198, 264, 314, 346, 396, 471, 519, 628, 692, 792, 942, 1038, 1256, 1384, 1413, 1557, 1727, 1884, 1903, 2076, 2826, 3114, 3454, 3768, 3806, 4152, 5181, 5652, 5709, 6228, 6908, 7612, 10362, 11304, 11418, 12456, 13816, 15224, 15543, 17127, 20724, 22836, 27161, 31086, 34254, 41448, 45672, 54322, 62172, 68508, 81483, 108644, 124344, 137016, 162966, 217288, 244449, 298771, 325932, 488898, 597542, 651864, 896313, 977796, 1195084, 1792626, 1955592, 2390168, 2688939, 3585252, 5377878, 7170504, 10755756, 21511512]

約数ペア:

[(1, 21511512), (2, 10755756), (3, 7170504), (4, 5377878), (6, 3585252), (8, 2688939), (9, 2390168), (11, 1955592), (12, 1792626), (18, 1195084), (22, 977796), (24, 896313), (33, 651864), (36, 597542), (44, 488898), (66, 325932), (72, 298771), (88, 244449), (99, 217288), (132, 162966), (157, 137016), (173, 124344), (198, 108644), (264, 81483), (314, 68508), (346, 62172), (396, 54322), (471, 45672), (519, 41448), (628, 34254), (692, 31086), (792, 27161), (942, 22836), (1038, 20724), (1256, 17127), (1384, 15543), (1413, 15224), (1557, 13816), (1727, 12456), (1884, 11418), (1903, 11304), (2076, 10362), (2826, 7612), (3114, 6908), (3454, 6228), (3768, 5709), (3806, 5652), (4152, 5181)]