21305658

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1117}}^1$

素因数の和:1167

約数の個数: 48

約数和(自身を含む): 49424544

約数和(自身を除く): 28118886

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 187, 289, 374, 561, 578, 867, 1117, 1122, 1734, 2234, 3179, 3351, 6358, 6702, 9537, 12287, 18989, 19074, 24574, 36861, 37978, 56967, 73722, 113934, 208879, 322813, 417758, 626637, 645626, 968439, 1253274, 1936878, 3550943, 7101886, 10652829, 21305658]

約数ペア:

[(1, 21305658), (2, 10652829), (3, 7101886), (6, 3550943), (11, 1936878), (17, 1253274), (22, 968439), (33, 645626), (34, 626637), (51, 417758), (66, 322813), (102, 208879), (187, 113934), (289, 73722), (374, 56967), (561, 37978), (578, 36861), (867, 24574), (1117, 19074), (1122, 18989), (1734, 12287), (2234, 9537), (3179, 6702), (3351, 6358)]