21680384

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{7699}}^1$

素因数の和:7726

約数の個数: 36

約数和(自身を含む): 47216400

約数和(自身を除く): 25536016

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 256, 352, 704, 1408, 2816, 7699, 15398, 30796, 61592, 84689, 123184, 169378, 246368, 338756, 492736, 677512, 985472, 1355024, 1970944, 2710048, 5420096, 10840192, 21680384]

約数ペア:

[(1, 21680384), (2, 10840192), (4, 5420096), (8, 2710048), (11, 1970944), (16, 1355024), (22, 985472), (32, 677512), (44, 492736), (64, 338756), (88, 246368), (128, 169378), (176, 123184), (256, 84689), (352, 61592), (704, 30796), (1408, 15398), (2816, 7699)]