21482428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3727}}^1$

素因数の和:3873

約数の個数: 24

約数和(自身を含む): 41336064

約数和(自身を除く): 19853636

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 3727, 5764, 7454, 14908, 40997, 81994, 163988, 488237, 976474, 1952948, 5370607, 10741214, 21482428]

約数ペア:

[(1, 21482428), (2, 10741214), (4, 5370607), (11, 1952948), (22, 976474), (44, 488237), (131, 163988), (262, 81994), (524, 40997), (1441, 14908), (2882, 7454), (3727, 5764)]