21669768

素因数分解:

$2^3\times 3^5\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 62112960

約数和(自身を除く): 40443192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 81, 108, 142, 157, 162, 213, 216, 243, 284, 314, 324, 426, 471, 486, 568, 628, 639, 648, 852, 942, 972, 1256, 1278, 1413, 1704, 1884, 1917, 1944, 2556, 2826, 3768, 3834, 4239, 5112, 5652, 5751, 7668, 8478, 11147, 11304, 11502, 12717, 15336, 16956, 17253, 22294, 23004, 25434, 33441, 33912, 34506, 38151, 44588, 46008, 50868, 66882, 69012, 76302, 89176, 100323, 101736, 133764, 138024, 152604, 200646, 267528, 300969, 305208, 401292, 601938, 802584, 902907, 1203876, 1805814, 2407752, 2708721, 3611628, 5417442, 7223256, 10834884, 21669768]

約数ペア:

[(1, 21669768), (2, 10834884), (3, 7223256), (4, 5417442), (6, 3611628), (8, 2708721), (9, 2407752), (12, 1805814), (18, 1203876), (24, 902907), (27, 802584), (36, 601938), (54, 401292), (71, 305208), (72, 300969), (81, 267528), (108, 200646), (142, 152604), (157, 138024), (162, 133764), (213, 101736), (216, 100323), (243, 89176), (284, 76302), (314, 69012), (324, 66882), (426, 50868), (471, 46008), (486, 44588), (568, 38151), (628, 34506), (639, 33912), (648, 33441), (852, 25434), (942, 23004), (972, 22294), (1256, 17253), (1278, 16956), (1413, 15336), (1704, 12717), (1884, 11502), (1917, 11304), (1944, 11147), (2556, 8478), (2826, 7668), (3768, 5751), (3834, 5652), (4239, 5112)]