21296288

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{51193}}^1$

素因数の和:51216

約数の個数: 24

約数和(自身を含む): 45153108

約数和(自身を除く): 23856820

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 51193, 102386, 204772, 409544, 665509, 819088, 1331018, 1638176, 2662036, 5324072, 10648144, 21296288]

約数ペア:

[(1, 21296288), (2, 10648144), (4, 5324072), (8, 2662036), (13, 1638176), (16, 1331018), (26, 819088), (32, 665509), (52, 409544), (104, 204772), (208, 102386), (416, 51193)]