21093208

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 22970792

約数列:

[1, 2, 4, 8, 23, 29, 46, 58, 59, 67, 92, 116, 118, 134, 184, 232, 236, 268, 472, 536, 667, 1334, 1357, 1541, 1711, 1943, 2668, 2714, 3082, 3422, 3886, 3953, 5336, 5428, 6164, 6844, 7772, 7906, 10856, 12328, 13688, 15544, 15812, 31624, 39353, 44689, 78706, 89378, 90919, 114637, 157412, 178756, 181838, 229274, 314824, 357512, 363676, 458548, 727352, 917096, 2636651, 5273302, 10546604, 21093208]

約数ペア:

[(1, 21093208), (2, 10546604), (4, 5273302), (8, 2636651), (23, 917096), (29, 727352), (46, 458548), (58, 363676), (59, 357512), (67, 314824), (92, 229274), (116, 181838), (118, 178756), (134, 157412), (184, 114637), (232, 90919), (236, 89378), (268, 78706), (472, 44689), (536, 39353), (667, 31624), (1334, 15812), (1357, 15544), (1541, 13688), (1711, 12328), (1943, 10856), (2668, 7906), (2714, 7772), (3082, 6844), (3422, 6164), (3886, 5428), (3953, 5336)]