21833560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{77977}}^1$

素因数の和:77995

約数の個数: 32

約数和(自身を含む): 56144160

約数和(自身を除く): 34310600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 77977, 155954, 311908, 389885, 545839, 623816, 779770, 1091678, 1559540, 2183356, 2729195, 3119080, 4366712, 5458390, 10916780, 21833560]

約数ペア:

[(1, 21833560), (2, 10916780), (4, 5458390), (5, 4366712), (7, 3119080), (8, 2729195), (10, 2183356), (14, 1559540), (20, 1091678), (28, 779770), (35, 623816), (40, 545839), (56, 389885), (70, 311908), (140, 155954), (280, 77977)]