21543478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{569}}^1\times {\mathrm{1721}}^1$

素因数の和:2303

約数の個数: 16

約数和(自身を含む): 35335440

約数和(自身を除く): 13791962

約数列:

[1, 2, 11, 22, 569, 1138, 1721, 3442, 6259, 12518, 18931, 37862, 979249, 1958498, 10771739, 21543478]

約数ペア:

[(1, 21543478), (2, 10771739), (11, 1958498), (22, 979249), (569, 37862), (1138, 18931), (1721, 12518), (3442, 6259)]