9091740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{21647}}^1$

素因数の和:21666

約数の個数: 48

約数和(自身を含む): 29094912

約数和(自身を除く): 20003172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 21647, 43294, 64941, 86588, 108235, 129882, 151529, 216470, 259764, 303058, 324705, 432940, 454587, 606116, 649410, 757645, 909174, 1298820, 1515290, 1818348, 2272935, 3030580, 4545870, 9091740]

約数ペア:

[(1, 9091740), (2, 4545870), (3, 3030580), (4, 2272935), (5, 1818348), (6, 1515290), (7, 1298820), (10, 909174), (12, 757645), (14, 649410), (15, 606116), (20, 454587), (21, 432940), (28, 324705), (30, 303058), (35, 259764), (42, 216470), (60, 151529), (70, 129882), (84, 108235), (105, 86588), (140, 64941), (210, 43294), (420, 21647)]