21163534

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11903}}^1$

素因数の和:12039

約数の個数: 16

約数和(自身を含む): 36569088

約数和(自身を除く): 15405554

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 11903, 23806, 83321, 166642, 1511681, 3023362, 10581767, 21163534]

約数ペア:

[(1, 21163534), (2, 10581767), (7, 3023362), (14, 1511681), (127, 166642), (254, 83321), (889, 23806), (1778, 11903)]