21744156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15227}}^1$

素因数の和:15258

約数の個数: 48

約数和(自身を含む): 61399296

約数和(自身を除く): 39655140

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 15227, 30454, 45681, 60908, 91362, 106589, 182724, 213178, 258859, 319767, 426356, 517718, 639534, 776577, 1035436, 1279068, 1553154, 1812013, 3106308, 3624026, 5436039, 7248052, 10872078, 21744156]

約数ペア:

[(1, 21744156), (2, 10872078), (3, 7248052), (4, 5436039), (6, 3624026), (7, 3106308), (12, 1812013), (14, 1553154), (17, 1279068), (21, 1035436), (28, 776577), (34, 639534), (42, 517718), (51, 426356), (68, 319767), (84, 258859), (102, 213178), (119, 182724), (204, 106589), (238, 91362), (357, 60908), (476, 45681), (714, 30454), (1428, 15227)]