21089134

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{1721}}^1$

素因数の和:2291

約数の個数: 16

約数和(自身を含む): 34591536

約数和(自身を除く): 13502402

約数列:

[1, 2, 11, 22, 557, 1114, 1721, 3442, 6127, 12254, 18931, 37862, 958597, 1917194, 10544567, 21089134]

約数ペア:

[(1, 21089134), (2, 10544567), (11, 1917194), (22, 958597), (557, 37862), (1114, 18931), (1721, 12254), (3442, 6127)]