21083080

素因数分解:

$2^3\times 5^1\times {\mathrm{601}}^1\times {\mathrm{877}}^1$

素因数の和:1489

約数の個数: 32

約数和(自身を含む): 47570040

約数和(自身を除く): 26486960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 601, 877, 1202, 1754, 2404, 3005, 3508, 4385, 4808, 6010, 7016, 8770, 12020, 17540, 24040, 35080, 527077, 1054154, 2108308, 2635385, 4216616, 5270770, 10541540, 21083080]

約数ペア:

[(1, 21083080), (2, 10541540), (4, 5270770), (5, 4216616), (8, 2635385), (10, 2108308), (20, 1054154), (40, 527077), (601, 35080), (877, 24040), (1202, 17540), (1754, 12020), (2404, 8770), (3005, 7016), (3508, 6010), (4385, 4808)]