21377248

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{97}}^2$

素因数の和:275

約数の個数: 36

約数和(自身を含む): 43123752

約数和(自身を除く): 21746504

約数列:

[1, 2, 4, 8, 16, 32, 71, 97, 142, 194, 284, 388, 568, 776, 1136, 1552, 2272, 3104, 6887, 9409, 13774, 18818, 27548, 37636, 55096, 75272, 110192, 150544, 220384, 301088, 668039, 1336078, 2672156, 5344312, 10688624, 21377248]

約数ペア:

[(1, 21377248), (2, 10688624), (4, 5344312), (8, 2672156), (16, 1336078), (32, 668039), (71, 301088), (97, 220384), (142, 150544), (194, 110192), (284, 75272), (388, 55096), (568, 37636), (776, 27548), (1136, 18818), (1552, 13774), (2272, 9409), (3104, 6887)]