21994864

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{17401}}^1$

素因数の和:17488

約数の個数: 20

約数和(自身を含む): 43156960

約数和(自身を除く): 21162096

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 17401, 34802, 69604, 139208, 278416, 1374679, 2749358, 5498716, 10997432, 21994864]

約数ペア:

[(1, 21994864), (2, 10997432), (4, 5498716), (8, 2749358), (16, 1374679), (79, 278416), (158, 139208), (316, 69604), (632, 34802), (1264, 17401)]