21121452

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{773}}^1$

素因数の和:820

約数の個数: 96

約数和(自身を含む): 62415360

約数和(自身を除く): 41293908

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 27, 33, 36, 44, 46, 54, 66, 69, 92, 99, 108, 132, 138, 198, 207, 253, 276, 297, 396, 414, 506, 594, 621, 759, 773, 828, 1012, 1188, 1242, 1518, 1546, 2277, 2319, 2484, 3036, 3092, 4554, 4638, 6831, 6957, 8503, 9108, 9276, 13662, 13914, 17006, 17779, 20871, 25509, 27324, 27828, 34012, 35558, 41742, 51018, 53337, 71116, 76527, 83484, 102036, 106674, 153054, 160011, 195569, 213348, 229581, 306108, 320022, 391138, 459162, 480033, 586707, 640044, 782276, 918324, 960066, 1173414, 1760121, 1920132, 2346828, 3520242, 5280363, 7040484, 10560726, 21121452]

約数ペア:

[(1, 21121452), (2, 10560726), (3, 7040484), (4, 5280363), (6, 3520242), (9, 2346828), (11, 1920132), (12, 1760121), (18, 1173414), (22, 960066), (23, 918324), (27, 782276), (33, 640044), (36, 586707), (44, 480033), (46, 459162), (54, 391138), (66, 320022), (69, 306108), (92, 229581), (99, 213348), (108, 195569), (132, 160011), (138, 153054), (198, 106674), (207, 102036), (253, 83484), (276, 76527), (297, 71116), (396, 53337), (414, 51018), (506, 41742), (594, 35558), (621, 34012), (759, 27828), (773, 27324), (828, 25509), (1012, 20871), (1188, 17779), (1242, 17006), (1518, 13914), (1546, 13662), (2277, 9276), (2319, 9108), (2484, 8503), (3036, 6957), (3092, 6831), (4554, 4638)]