21296529

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1277}}^1$

素因数の和:1409

約数の個数: 24

約数和(自身を含む): 32895720

約数和(自身を除く): 11599191

約数列:

[1, 3, 9, 17, 51, 109, 153, 327, 981, 1277, 1853, 3831, 5559, 11493, 16677, 21709, 65127, 139193, 195381, 417579, 1252737, 2366281, 7098843, 21296529]

約数ペア:

[(1, 21296529), (3, 7098843), (9, 2366281), (17, 1252737), (51, 417579), (109, 195381), (153, 139193), (327, 65127), (981, 21709), (1277, 16677), (1853, 11493), (3831, 5559)]