21243363

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{467}}^1$

素因数の和:786

約数の個数: 16

約数和(自身を含む): 28978560

約数和(自身を除く): 7735197

約数列:

[1, 3, 59, 177, 257, 467, 771, 1401, 15163, 27553, 45489, 82659, 120019, 360057, 7081121, 21243363]

約数ペア:

[(1, 21243363), (3, 7081121), (59, 360057), (177, 120019), (257, 82659), (467, 45489), (771, 27553), (1401, 15163)]