21999168

素因数分解:

$2^6\times 3^3\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:489

約数の個数: 112

約数和(自身を含む): 67056000

約数和(自身を除く): 45056832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 64, 72, 87, 96, 108, 116, 144, 174, 192, 216, 232, 261, 288, 348, 432, 439, 464, 522, 576, 696, 783, 864, 878, 928, 1044, 1317, 1392, 1566, 1728, 1756, 1856, 2088, 2634, 2784, 3132, 3512, 3951, 4176, 5268, 5568, 6264, 7024, 7902, 8352, 10536, 11853, 12528, 12731, 14048, 15804, 16704, 21072, 23706, 25056, 25462, 28096, 31608, 38193, 42144, 47412, 50112, 50924, 63216, 76386, 84288, 94824, 101848, 114579, 126432, 152772, 189648, 203696, 229158, 252864, 305544, 343737, 379296, 407392, 458316, 611088, 687474, 758592, 814784, 916632, 1222176, 1374948, 1833264, 2444352, 2749896, 3666528, 5499792, 7333056, 10999584, 21999168]

約数ペア:

[(1, 21999168), (2, 10999584), (3, 7333056), (4, 5499792), (6, 3666528), (8, 2749896), (9, 2444352), (12, 1833264), (16, 1374948), (18, 1222176), (24, 916632), (27, 814784), (29, 758592), (32, 687474), (36, 611088), (48, 458316), (54, 407392), (58, 379296), (64, 343737), (72, 305544), (87, 252864), (96, 229158), (108, 203696), (116, 189648), (144, 152772), (174, 126432), (192, 114579), (216, 101848), (232, 94824), (261, 84288), (288, 76386), (348, 63216), (432, 50924), (439, 50112), (464, 47412), (522, 42144), (576, 38193), (696, 31608), (783, 28096), (864, 25462), (878, 25056), (928, 23706), (1044, 21072), (1317, 16704), (1392, 15804), (1566, 14048), (1728, 12731), (1756, 12528), (1856, 11853), (2088, 10536), (2634, 8352), (2784, 7902), (3132, 7024), (3512, 6264), (3951, 5568), (4176, 5268)]