21480448

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{1907}}^1$

素因数の和:1938

約数の個数: 44

約数和(自身を含む): 46868112

約数和(自身を除く): 25387664

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 512, 704, 1024, 1408, 1907, 2816, 3814, 5632, 7628, 11264, 15256, 20977, 30512, 41954, 61024, 83908, 122048, 167816, 244096, 335632, 488192, 671264, 976384, 1342528, 1952768, 2685056, 5370112, 10740224, 21480448]

約数ペア:

[(1, 21480448), (2, 10740224), (4, 5370112), (8, 2685056), (11, 1952768), (16, 1342528), (22, 976384), (32, 671264), (44, 488192), (64, 335632), (88, 244096), (128, 167816), (176, 122048), (256, 83908), (352, 61024), (512, 41954), (704, 30512), (1024, 20977), (1408, 15256), (1907, 11264), (2816, 7628), (3814, 5632)]