21498761

素因数分解:

${\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:400

約数の個数: 16

約数和(自身を含む): 23514624

約数和(自身を除く): 2015863

約数列:

[1, 17, 53, 107, 223, 901, 1819, 3791, 5671, 11819, 23861, 96407, 200923, 405637, 1264633, 21498761]

約数ペア:

[(1, 21498761), (17, 1264633), (53, 405637), (107, 200923), (223, 96407), (901, 23861), (1819, 11819), (3791, 5671)]