21656808

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^1\times {\mathrm{1759}}^1$

素因数の和:1796

約数の個数: 80

約数和(自身を含む): 63888000

約数和(自身を除く): 42231192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 324, 342, 456, 513, 648, 684, 1026, 1368, 1539, 1759, 2052, 3078, 3518, 4104, 5277, 6156, 7036, 10554, 12312, 14072, 15831, 21108, 31662, 33421, 42216, 47493, 63324, 66842, 94986, 100263, 126648, 133684, 142479, 189972, 200526, 267368, 284958, 300789, 379944, 401052, 569916, 601578, 802104, 902367, 1139832, 1203156, 1804734, 2406312, 2707101, 3609468, 5414202, 7218936, 10828404, 21656808]

約数ペア:

[(1, 21656808), (2, 10828404), (3, 7218936), (4, 5414202), (6, 3609468), (8, 2707101), (9, 2406312), (12, 1804734), (18, 1203156), (19, 1139832), (24, 902367), (27, 802104), (36, 601578), (38, 569916), (54, 401052), (57, 379944), (72, 300789), (76, 284958), (81, 267368), (108, 200526), (114, 189972), (152, 142479), (162, 133684), (171, 126648), (216, 100263), (228, 94986), (324, 66842), (342, 63324), (456, 47493), (513, 42216), (648, 33421), (684, 31662), (1026, 21108), (1368, 15831), (1539, 14072), (1759, 12312), (2052, 10554), (3078, 7036), (3518, 6156), (4104, 5277)]