21768188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{1093}}^1$

素因数の和:1493

約数の個数: 24

約数和(自身を含む): 41169408

約数和(自身を除く): 19401220

約数列:

[1, 2, 4, 13, 26, 52, 383, 766, 1093, 1532, 2186, 4372, 4979, 9958, 14209, 19916, 28418, 56836, 418619, 837238, 1674476, 5442047, 10884094, 21768188]

約数ペア:

[(1, 21768188), (2, 10884094), (4, 5442047), (13, 1674476), (26, 837238), (52, 418619), (383, 56836), (766, 28418), (1093, 19916), (1532, 14209), (2186, 9958), (4372, 4979)]