21945033

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2054

約数の個数: 32

約数和(自身を含む): 36443520

約数和(自身を除く): 14498487

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 1997, 3663, 5991, 10989, 17973, 21967, 53919, 65901, 73889, 197703, 221667, 593109, 665001, 812779, 1995003, 2438337, 7315011, 21945033]

約数ペア:

[(1, 21945033), (3, 7315011), (9, 2438337), (11, 1995003), (27, 812779), (33, 665001), (37, 593109), (99, 221667), (111, 197703), (297, 73889), (333, 65901), (407, 53919), (999, 21967), (1221, 17973), (1997, 10989), (3663, 5991)]