21646032

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 60746112

約数和(自身を除く): 39100080

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 41, 48, 51, 68, 82, 102, 123, 136, 164, 204, 246, 272, 328, 408, 492, 647, 656, 697, 816, 984, 1294, 1394, 1941, 1968, 2091, 2588, 2788, 3882, 4182, 5176, 5576, 7764, 8364, 10352, 10999, 11152, 15528, 16728, 21998, 26527, 31056, 32997, 33456, 43996, 53054, 65994, 79581, 87992, 106108, 131988, 159162, 175984, 212216, 263976, 318324, 424432, 450959, 527952, 636648, 901918, 1273296, 1352877, 1803836, 2705754, 3607672, 5411508, 7215344, 10823016, 21646032]

約数ペア:

[(1, 21646032), (2, 10823016), (3, 7215344), (4, 5411508), (6, 3607672), (8, 2705754), (12, 1803836), (16, 1352877), (17, 1273296), (24, 901918), (34, 636648), (41, 527952), (48, 450959), (51, 424432), (68, 318324), (82, 263976), (102, 212216), (123, 175984), (136, 159162), (164, 131988), (204, 106108), (246, 87992), (272, 79581), (328, 65994), (408, 53054), (492, 43996), (647, 33456), (656, 32997), (697, 31056), (816, 26527), (984, 21998), (1294, 16728), (1394, 15528), (1941, 11152), (1968, 10999), (2091, 10352), (2588, 8364), (2788, 7764), (3882, 5576), (4182, 5176)]