21477258

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 55540800

約数和(自身を除く): 34063542

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 33, 38, 54, 57, 66, 99, 114, 121, 171, 173, 198, 209, 242, 297, 342, 346, 363, 418, 513, 519, 594, 627, 726, 1026, 1038, 1089, 1254, 1557, 1881, 1903, 2178, 2299, 3114, 3267, 3287, 3762, 3806, 4598, 4671, 5643, 5709, 6534, 6574, 6897, 9342, 9861, 11286, 11418, 13794, 17127, 19722, 20691, 20933, 29583, 34254, 36157, 41382, 41866, 51381, 59166, 62073, 62799, 72314, 88749, 102762, 108471, 124146, 125598, 177498, 188397, 216942, 325413, 376794, 397727, 565191, 650826, 795454, 976239, 1130382, 1193181, 1952478, 2386362, 3579543, 7159086, 10738629, 21477258]

約数ペア:

[(1, 21477258), (2, 10738629), (3, 7159086), (6, 3579543), (9, 2386362), (11, 1952478), (18, 1193181), (19, 1130382), (22, 976239), (27, 795454), (33, 650826), (38, 565191), (54, 397727), (57, 376794), (66, 325413), (99, 216942), (114, 188397), (121, 177498), (171, 125598), (173, 124146), (198, 108471), (209, 102762), (242, 88749), (297, 72314), (342, 62799), (346, 62073), (363, 59166), (418, 51381), (513, 41866), (519, 41382), (594, 36157), (627, 34254), (726, 29583), (1026, 20933), (1038, 20691), (1089, 19722), (1254, 17127), (1557, 13794), (1881, 11418), (1903, 11286), (2178, 9861), (2299, 9342), (3114, 6897), (3267, 6574), (3287, 6534), (3762, 5709), (3806, 5643), (4598, 4671)]