21122244

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1$

素因数の和:418

約数の個数: 108

約数和(自身を含む): 63371308

約数和(自身を除く): 42249064

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 121, 132, 143, 156, 198, 234, 242, 286, 363, 373, 396, 429, 468, 484, 572, 726, 746, 858, 1089, 1119, 1287, 1452, 1492, 1573, 1716, 2178, 2238, 2574, 3146, 3357, 4103, 4356, 4476, 4719, 4849, 5148, 6292, 6714, 8206, 9438, 9698, 12309, 13428, 14157, 14547, 16412, 18876, 19396, 24618, 28314, 29094, 36927, 43641, 45133, 49236, 53339, 56628, 58188, 73854, 87282, 90266, 106678, 135399, 147708, 160017, 174564, 180532, 213356, 270798, 320034, 406197, 480051, 541596, 586729, 640068, 812394, 960102, 1173458, 1624788, 1760187, 1920204, 2346916, 3520374, 5280561, 7040748, 10561122, 21122244]

約数ペア:

[(1, 21122244), (2, 10561122), (3, 7040748), (4, 5280561), (6, 3520374), (9, 2346916), (11, 1920204), (12, 1760187), (13, 1624788), (18, 1173458), (22, 960102), (26, 812394), (33, 640068), (36, 586729), (39, 541596), (44, 480051), (52, 406197), (66, 320034), (78, 270798), (99, 213356), (117, 180532), (121, 174564), (132, 160017), (143, 147708), (156, 135399), (198, 106678), (234, 90266), (242, 87282), (286, 73854), (363, 58188), (373, 56628), (396, 53339), (429, 49236), (468, 45133), (484, 43641), (572, 36927), (726, 29094), (746, 28314), (858, 24618), (1089, 19396), (1119, 18876), (1287, 16412), (1452, 14547), (1492, 14157), (1573, 13428), (1716, 12309), (2178, 9698), (2238, 9438), (2574, 8206), (3146, 6714), (3357, 6292), (4103, 5148), (4356, 4849), (4476, 4719)]