21670518

素因数分解:

$2^1\times 3^1\times {\mathrm{127}}^1\times {\mathrm{28439}}^1$

素因数の和:28571

約数の個数: 16

約数和(自身を含む): 43683840

約数和(自身を除く): 22013322

約数列:

[1, 2, 3, 6, 127, 254, 381, 762, 28439, 56878, 85317, 170634, 3611753, 7223506, 10835259, 21670518]

約数ペア:

[(1, 21670518), (2, 10835259), (3, 7223506), (6, 3611753), (127, 170634), (254, 85317), (381, 56878), (762, 28439)]