21891958

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{4129}}^1$

素因数の和:4383

約数の個数: 16

約数和(自身を含む): 35980560

約数和(自身を除く): 14088602

約数列:

[1, 2, 11, 22, 241, 482, 2651, 4129, 5302, 8258, 45419, 90838, 995089, 1990178, 10945979, 21891958]

約数ペア:

[(1, 21891958), (2, 10945979), (11, 1990178), (22, 995089), (241, 90838), (482, 45419), (2651, 8258), (4129, 5302)]