21654086

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:356

約数の個数: 24

約数和(自身を含む): 34467384

約数和(自身を除く): 12813298

約数列:

[1, 2, 23, 46, 97, 194, 211, 422, 529, 1058, 2231, 4462, 4853, 9706, 20467, 40934, 51313, 102626, 111619, 223238, 470741, 941482, 10827043, 21654086]

約数ペア:

[(1, 21654086), (2, 10827043), (23, 941482), (46, 470741), (97, 223238), (194, 111619), (211, 102626), (422, 51313), (529, 40934), (1058, 20467), (2231, 9706), (4462, 4853)]