21685850

素因数分解:

$2^1\times 5^2\times {\mathrm{179}}^1\times {\mathrm{2423}}^1$

素因数の和:2614

約数の個数: 24

約数和(自身を含む): 40577760

約数和(自身を除く): 18891910

約数列:

[1, 2, 5, 10, 25, 50, 179, 358, 895, 1790, 2423, 4475, 4846, 8950, 12115, 24230, 60575, 121150, 433717, 867434, 2168585, 4337170, 10842925, 21685850]

約数ペア:

[(1, 21685850), (2, 10842925), (5, 4337170), (10, 2168585), (25, 867434), (50, 433717), (179, 121150), (358, 60575), (895, 24230), (1790, 12115), (2423, 8950), (4475, 4846)]