21955072

素因数分解:

$2^9\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:468

約数の個数: 40

約数和(自身を含む): 44328636

約数和(自身を除く): 22373564

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 137, 256, 274, 313, 512, 548, 626, 1096, 1252, 2192, 2504, 4384, 5008, 8768, 10016, 17536, 20032, 35072, 40064, 42881, 70144, 80128, 85762, 160256, 171524, 343048, 686096, 1372192, 2744384, 5488768, 10977536, 21955072]

約数ペア:

[(1, 21955072), (2, 10977536), (4, 5488768), (8, 2744384), (16, 1372192), (32, 686096), (64, 343048), (128, 171524), (137, 160256), (256, 85762), (274, 80128), (313, 70144), (512, 42881), (548, 40064), (626, 35072), (1096, 20032), (1252, 17536), (2192, 10016), (2504, 8768), (4384, 5008)]