21689344

素因数分解:

$2^{10}\times {\mathrm{59}}^1\times {\mathrm{359}}^1$

素因数の和:438

約数の個数: 44

約数和(自身を含む): 44215200

約数和(自身を除く): 22525856

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 118, 128, 236, 256, 359, 472, 512, 718, 944, 1024, 1436, 1888, 2872, 3776, 5744, 7552, 11488, 15104, 21181, 22976, 30208, 42362, 45952, 60416, 84724, 91904, 169448, 183808, 338896, 367616, 677792, 1355584, 2711168, 5422336, 10844672, 21689344]

約数ペア:

[(1, 21689344), (2, 10844672), (4, 5422336), (8, 2711168), (16, 1355584), (32, 677792), (59, 367616), (64, 338896), (118, 183808), (128, 169448), (236, 91904), (256, 84724), (359, 60416), (472, 45952), (512, 42362), (718, 30208), (944, 22976), (1024, 21181), (1436, 15104), (1888, 11488), (2872, 7552), (3776, 5744)]