21894487

素因数分解:

${\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:422

約数の個数: 16

約数和(自身を含む): 23950080

約数和(自身を除く): 2055593

約数列:

[1, 17, 59, 83, 263, 1003, 1411, 4471, 4897, 15517, 21829, 83249, 263789, 371093, 1287911, 21894487]

約数ペア:

[(1, 21894487), (17, 1287911), (59, 371093), (83, 263789), (263, 83249), (1003, 21829), (1411, 15517), (4471, 4897)]