21906164

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41177}}^1$

素因数の和:41207

約数の個数: 24

約数和(自身を含む): 46119360

約数和(自身を除く): 24213196

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 41177, 82354, 164708, 288239, 576478, 782363, 1152956, 1564726, 3129452, 5476541, 10953082, 21906164]

約数ペア:

[(1, 21906164), (2, 10953082), (4, 5476541), (7, 3129452), (14, 1564726), (19, 1152956), (28, 782363), (38, 576478), (76, 288239), (133, 164708), (266, 82354), (532, 41177)]