21293672

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{39727}}^1$

素因数の和:39800

約数の個数: 16

約数和(自身を含む): 40522560

約数和(自身を除く): 19228888

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 39727, 79454, 158908, 317816, 2661709, 5323418, 10646836, 21293672]

約数ペア:

[(1, 21293672), (2, 10646836), (4, 5323418), (8, 2661709), (67, 317816), (134, 158908), (268, 79454), (536, 39727)]