21986173616

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{115561}}^1$

素因数の和:115650

約数の個数: 80

約数和(自身を含む): 49523401728

約数和(自身を除く): 27537228112

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 47, 88, 92, 94, 176, 184, 188, 253, 368, 376, 506, 517, 752, 1012, 1034, 1081, 2024, 2068, 2162, 4048, 4136, 4324, 8272, 8648, 11891, 17296, 23782, 47564, 95128, 115561, 190256, 231122, 462244, 924488, 1271171, 1848976, 2542342, 2657903, 5084684, 5315806, 5431367, 10169368, 10631612, 10862734, 20338736, 21263224, 21725468, 29236933, 42526448, 43450936, 58473866, 59745037, 86901872, 116947732, 119490074, 124921441, 233895464, 238980148, 249842882, 467790928, 477960296, 499685764, 955920592, 999371528, 1374135851, 1998743056, 2748271702, 5496543404, 10993086808, 21986173616]

約数ペア:

[(1, 21986173616), (2, 10993086808), (4, 5496543404), (8, 2748271702), (11, 1998743056), (16, 1374135851), (22, 999371528), (23, 955920592), (44, 499685764), (46, 477960296), (47, 467790928), (88, 249842882), (92, 238980148), (94, 233895464), (176, 124921441), (184, 119490074), (188, 116947732), (253, 86901872), (368, 59745037), (376, 58473866), (506, 43450936), (517, 42526448), (752, 29236933), (1012, 21725468), (1034, 21263224), (1081, 20338736), (2024, 10862734), (2068, 10631612), (2162, 10169368), (4048, 5431367), (4136, 5315806), (4324, 5084684), (8272, 2657903), (8648, 2542342), (11891, 1848976), (17296, 1271171), (23782, 924488), (47564, 462244), (95128, 231122), (115561, 190256)]