21785544

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:252

約数の個数: 128

約数和(自身を含む): 67651200

約数和(自身を除く): 45865656

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 53, 54, 66, 72, 88, 99, 106, 108, 132, 159, 173, 198, 212, 216, 264, 297, 318, 346, 396, 424, 477, 519, 583, 594, 636, 692, 792, 954, 1038, 1166, 1188, 1272, 1384, 1431, 1557, 1749, 1903, 1908, 2076, 2332, 2376, 2862, 3114, 3498, 3806, 3816, 4152, 4664, 4671, 5247, 5709, 5724, 6228, 6996, 7612, 9169, 9342, 10494, 11418, 11448, 12456, 13992, 15224, 15741, 17127, 18338, 18684, 20988, 22836, 27507, 31482, 34254, 36676, 37368, 41976, 45672, 51381, 55014, 62964, 68508, 73352, 82521, 100859, 102762, 110028, 125928, 137016, 165042, 201718, 205524, 220056, 247563, 302577, 330084, 403436, 411048, 495126, 605154, 660168, 806872, 907731, 990252, 1210308, 1815462, 1980504, 2420616, 2723193, 3630924, 5446386, 7261848, 10892772, 21785544]

約数ペア:

[(1, 21785544), (2, 10892772), (3, 7261848), (4, 5446386), (6, 3630924), (8, 2723193), (9, 2420616), (11, 1980504), (12, 1815462), (18, 1210308), (22, 990252), (24, 907731), (27, 806872), (33, 660168), (36, 605154), (44, 495126), (53, 411048), (54, 403436), (66, 330084), (72, 302577), (88, 247563), (99, 220056), (106, 205524), (108, 201718), (132, 165042), (159, 137016), (173, 125928), (198, 110028), (212, 102762), (216, 100859), (264, 82521), (297, 73352), (318, 68508), (346, 62964), (396, 55014), (424, 51381), (477, 45672), (519, 41976), (583, 37368), (594, 36676), (636, 34254), (692, 31482), (792, 27507), (954, 22836), (1038, 20988), (1166, 18684), (1188, 18338), (1272, 17127), (1384, 15741), (1431, 15224), (1557, 13992), (1749, 12456), (1903, 11448), (1908, 11418), (2076, 10494), (2332, 9342), (2376, 9169), (2862, 7612), (3114, 6996), (3498, 6228), (3806, 5724), (3816, 5709), (4152, 5247), (4664, 4671)]