21819248

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{123973}}^1$

素因数の和:123992

約数の個数: 20

約数和(自身を含む): 46118328

約数和(自身を除く): 24299080

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 123973, 247946, 495892, 991784, 1363703, 1983568, 2727406, 5454812, 10909624, 21819248]

約数ペア:

[(1, 21819248), (2, 10909624), (4, 5454812), (8, 2727406), (11, 1983568), (16, 1363703), (22, 991784), (44, 495892), (88, 247946), (176, 123973)]