21682269

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1289}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 37152000

約数和(自身を除く): 15469731

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 623, 801, 1289, 1869, 2403, 3867, 5607, 9023, 11601, 16821, 27069, 34803, 81207, 114721, 243621, 344163, 803047, 1032489, 2409141, 3097467, 7227423, 21682269]

約数ペア:

[(1, 21682269), (3, 7227423), (7, 3097467), (9, 2409141), (21, 1032489), (27, 803047), (63, 344163), (89, 243621), (189, 114721), (267, 81207), (623, 34803), (801, 27069), (1289, 16821), (1869, 11601), (2403, 9023), (3867, 5607)]