21738726

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^2\times {\mathrm{761}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 50566320

約数和(自身を除く): 28827594

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 529, 621, 761, 1058, 1242, 1522, 1587, 2283, 3174, 4566, 4761, 6849, 9522, 13698, 14283, 17503, 20547, 28566, 35006, 41094, 52509, 105018, 157527, 315054, 402569, 472581, 805138, 945162, 1207707, 2415414, 3623121, 7246242, 10869363, 21738726]

約数ペア:

[(1, 21738726), (2, 10869363), (3, 7246242), (6, 3623121), (9, 2415414), (18, 1207707), (23, 945162), (27, 805138), (46, 472581), (54, 402569), (69, 315054), (138, 157527), (207, 105018), (414, 52509), (529, 41094), (621, 35006), (761, 28566), (1058, 20547), (1242, 17503), (1522, 14283), (1587, 13698), (2283, 9522), (3174, 6849), (4566, 4761)]