21868407

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2539}}^1$

素因数の和:2588

約数の個数: 32

約数和(自身を含む): 36576000

約数和(自身を除く): 14707593

約数列:

[1, 3, 9, 11, 27, 29, 33, 87, 99, 261, 297, 319, 783, 957, 2539, 2871, 7617, 8613, 22851, 27929, 68553, 73631, 83787, 220893, 251361, 662679, 754083, 809941, 1988037, 2429823, 7289469, 21868407]

約数ペア:

[(1, 21868407), (3, 7289469), (9, 2429823), (11, 1988037), (27, 809941), (29, 754083), (33, 662679), (87, 251361), (99, 220893), (261, 83787), (297, 73631), (319, 68553), (783, 27929), (957, 22851), (2539, 8613), (2871, 7617)]