2181606

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 5038080

約数和(自身を除く): 2856474

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 127, 254, 381, 409, 762, 818, 889, 1227, 1778, 2454, 2667, 2863, 5334, 5726, 8589, 17178, 51943, 103886, 155829, 311658, 363601, 727202, 1090803, 2181606]

約数ペア:

[(1, 2181606), (2, 1090803), (3, 727202), (6, 363601), (7, 311658), (14, 155829), (21, 103886), (42, 51943), (127, 17178), (254, 8589), (381, 5726), (409, 5334), (762, 2863), (818, 2667), (889, 2454), (1227, 1778)]