21876969

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{617}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 29901312

約数和(自身を除く): 8024343

約数列:

[1, 3, 53, 159, 223, 617, 669, 1851, 11819, 32701, 35457, 98103, 137591, 412773, 7292323, 21876969]

約数ペア:

[(1, 21876969), (3, 7292323), (53, 412773), (159, 137591), (223, 98103), (617, 35457), (669, 32701), (1851, 11819)]