21962360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{78437}}^1$

素因数の和:78455

約数の個数: 32

約数和(自身を含む): 56475360

約数和(自身を除く): 34513000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 78437, 156874, 313748, 392185, 549059, 627496, 784370, 1098118, 1568740, 2196236, 2745295, 3137480, 4392472, 5490590, 10981180, 21962360]

約数ペア:

[(1, 21962360), (2, 10981180), (4, 5490590), (5, 4392472), (7, 3137480), (8, 2745295), (10, 2196236), (14, 1568740), (20, 1098118), (28, 784370), (35, 627496), (40, 549059), (56, 392185), (70, 313748), (140, 156874), (280, 78437)]