21034851849

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{332509}}^1$

素因数の和:332603

約数の個数: 40

約数和(自身を含む): 34761925440

約数和(自身を除く): 13727073591

約数列:

[1, 3, 9, 11, 27, 33, 71, 81, 99, 213, 297, 639, 781, 891, 1917, 2343, 5751, 7029, 21087, 63261, 332509, 997527, 2992581, 3657599, 8977743, 10972797, 23608139, 26933229, 32918391, 70824417, 98755173, 212473251, 259689529, 296265519, 637419753, 779068587, 1912259259, 2337205761, 7011617283, 21034851849]

約数ペア:

[(1, 21034851849), (3, 7011617283), (9, 2337205761), (11, 1912259259), (27, 779068587), (33, 637419753), (71, 296265519), (81, 259689529), (99, 212473251), (213, 98755173), (297, 70824417), (639, 32918391), (781, 26933229), (891, 23608139), (1917, 10972797), (2343, 8977743), (5751, 3657599), (7029, 2992581), (21087, 997527), (63261, 332509)]