21410649

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{20333}}^1$

素因数の和:20358

約数の個数: 20

約数和(自身を含む): 34445796

約数和(自身を除く): 13035147

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 20333, 60999, 182997, 264329, 548991, 792987, 1646973, 2378961, 7136883, 21410649]

約数ペア:

[(1, 21410649), (3, 7136883), (9, 2378961), (13, 1646973), (27, 792987), (39, 548991), (81, 264329), (117, 182997), (351, 60999), (1053, 20333)]