21686824

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{16631}}^1$

素因数の和:16800

約数の個数: 16

約数和(自身を含む): 40914720

約数和(自身を除く): 19227896

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 16631, 33262, 66524, 133048, 2710853, 5421706, 10843412, 21686824]

約数ペア:

[(1, 21686824), (2, 10843412), (4, 5421706), (8, 2710853), (163, 133048), (326, 66524), (652, 33262), (1304, 16631)]