21469293

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{1667}}^1$

素因数の和:1735

約数の個数: 24

約数和(自身を含む): 32786208

約数和(自身を除く): 11316915

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 1431, 1667, 4293, 5001, 12879, 15003, 45009, 88351, 135027, 265053, 405081, 795159, 2385477, 7156431, 21469293]

約数ペア:

[(1, 21469293), (3, 7156431), (9, 2385477), (27, 795159), (53, 405081), (81, 265053), (159, 135027), (243, 88351), (477, 45009), (1431, 15003), (1667, 12879), (4293, 5001)]