219639442

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{21107}}^1$

素因数の和:21174

約数の個数: 24

約数和(自身を含む): 370572048

約数和(自身を除く): 150932606

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 5203, 10406, 21107, 42214, 232177, 464354, 907601, 1815202, 2553947, 5107894, 9983611, 19967222, 109819721, 219639442]

約数ペア:

[(1, 219639442), (2, 109819721), (11, 19967222), (22, 9983611), (43, 5107894), (86, 2553947), (121, 1815202), (242, 907601), (473, 464354), (946, 232177), (5203, 42214), (10406, 21107)]