21538946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{593}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 16781182

約数列:

[1, 2, 11, 13, 22, 26, 127, 143, 254, 286, 593, 1186, 1397, 1651, 2794, 3302, 6523, 7709, 13046, 15418, 18161, 36322, 75311, 84799, 150622, 169598, 828421, 979043, 1656842, 1958086, 10769473, 21538946]

約数ペア:

[(1, 21538946), (2, 10769473), (11, 1958086), (13, 1656842), (22, 979043), (26, 828421), (127, 169598), (143, 150622), (254, 84799), (286, 75311), (593, 36322), (1186, 18161), (1397, 15418), (1651, 13046), (2794, 7709), (3302, 6523)]