21087106

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{1439}}^1$

素因数の和:1889

約数の個数: 16

約数和(自身を含む): 33592320

約数和(自身を除く): 12505214

約数列:

[1, 2, 17, 34, 431, 862, 1439, 2878, 7327, 14654, 24463, 48926, 620209, 1240418, 10543553, 21087106]

約数ペア:

[(1, 21087106), (2, 10543553), (17, 1240418), (34, 620209), (431, 48926), (862, 24463), (1439, 14654), (2878, 7327)]