21185536

素因数分解:

$2^{10}\times {\mathrm{17}}^1\times {\mathrm{1217}}^1$

素因数の和:1254

約数の個数: 44

約数和(自身を含む): 44878428

約数和(自身を除く): 23692892

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1024, 1088, 1217, 2176, 2434, 4352, 4868, 8704, 9736, 17408, 19472, 20689, 38944, 41378, 77888, 82756, 155776, 165512, 311552, 331024, 623104, 662048, 1246208, 1324096, 2648192, 5296384, 10592768, 21185536]

約数ペア:

[(1, 21185536), (2, 10592768), (4, 5296384), (8, 2648192), (16, 1324096), (17, 1246208), (32, 662048), (34, 623104), (64, 331024), (68, 311552), (128, 165512), (136, 155776), (256, 82756), (272, 77888), (512, 41378), (544, 38944), (1024, 20689), (1088, 19472), (1217, 17408), (2176, 9736), (2434, 8704), (4352, 4868)]