21577886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{14639}}^1$

素因数の和:14719

約数の個数: 16

約数和(自身を含む): 35838720

約数和(自身を除く): 14260834

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 14639, 29278, 161029, 322058, 980813, 1961626, 10788943, 21577886]

約数ペア:

[(1, 21577886), (2, 10788943), (11, 1961626), (22, 980813), (67, 322058), (134, 161029), (737, 29278), (1474, 14639)]