21587968

素因数分解:

$2^{11}\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 22441472

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 127, 128, 166, 254, 256, 332, 508, 512, 664, 1016, 1024, 1328, 2032, 2048, 2656, 4064, 5312, 8128, 10541, 10624, 16256, 21082, 21248, 32512, 42164, 42496, 65024, 84328, 84992, 130048, 168656, 169984, 260096, 337312, 674624, 1349248, 2698496, 5396992, 10793984, 21587968]

約数ペア:

[(1, 21587968), (2, 10793984), (4, 5396992), (8, 2698496), (16, 1349248), (32, 674624), (64, 337312), (83, 260096), (127, 169984), (128, 168656), (166, 130048), (254, 84992), (256, 84328), (332, 65024), (508, 42496), (512, 42164), (664, 32512), (1016, 21248), (1024, 21082), (1328, 16256), (2032, 10624), (2048, 10541), (2656, 8128), (4064, 5312)]