21628112

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{122887}}^1$

素因数の和:122906

約数の個数: 20

約数和(自身を含む): 45714336

約数和(自身を除く): 24086224

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 122887, 245774, 491548, 983096, 1351757, 1966192, 2703514, 5407028, 10814056, 21628112]

約数ペア:

[(1, 21628112), (2, 10814056), (4, 5407028), (8, 2703514), (11, 1966192), (16, 1351757), (22, 983096), (44, 491548), (88, 245774), (176, 122887)]