21392208

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{2153}}^1$

素因数の和:2193

約数の個数: 80

約数和(自身を含む): 64103040

約数和(自身を除く): 42710832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 92, 108, 138, 144, 184, 207, 216, 276, 368, 414, 432, 552, 621, 828, 1104, 1242, 1656, 2153, 2484, 3312, 4306, 4968, 6459, 8612, 9936, 12918, 17224, 19377, 25836, 34448, 38754, 49519, 51672, 58131, 77508, 99038, 103344, 116262, 148557, 155016, 198076, 232524, 297114, 310032, 396152, 445671, 465048, 594228, 792304, 891342, 930096, 1188456, 1337013, 1782684, 2376912, 2674026, 3565368, 5348052, 7130736, 10696104, 21392208]

約数ペア:

[(1, 21392208), (2, 10696104), (3, 7130736), (4, 5348052), (6, 3565368), (8, 2674026), (9, 2376912), (12, 1782684), (16, 1337013), (18, 1188456), (23, 930096), (24, 891342), (27, 792304), (36, 594228), (46, 465048), (48, 445671), (54, 396152), (69, 310032), (72, 297114), (92, 232524), (108, 198076), (138, 155016), (144, 148557), (184, 116262), (207, 103344), (216, 99038), (276, 77508), (368, 58131), (414, 51672), (432, 49519), (552, 38754), (621, 34448), (828, 25836), (1104, 19377), (1242, 17224), (1656, 12918), (2153, 9936), (2484, 8612), (3312, 6459), (4306, 4968)]