21859841

素因数分解:

${\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 2090239

約数列:

[1, 17, 47, 109, 251, 799, 1853, 4267, 5123, 11797, 27359, 87091, 200549, 465103, 1285873, 21859841]

約数ペア:

[(1, 21859841), (17, 1285873), (47, 465103), (109, 200549), (251, 87091), (799, 27359), (1853, 11797), (4267, 5123)]