21737212

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{11587}}^1$

素因数の和:11665

約数の個数: 24

約数和(自身を含む): 44127104

約数和(自身を除く): 22389892

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 11587, 23174, 46348, 81109, 162218, 324436, 776329, 1552658, 3105316, 5434303, 10868606, 21737212]

約数ペア:

[(1, 21737212), (2, 10868606), (4, 5434303), (7, 3105316), (14, 1552658), (28, 776329), (67, 324436), (134, 162218), (268, 81109), (469, 46348), (938, 23174), (1876, 11587)]