21031515349

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1272863}}^1$

素因数の和:1272948

約数の個数: 16

約数和(自身を含む): 23950209024

約数和(自身を除く): 2918693675

約数列:

[1, 13, 31, 41, 403, 533, 1271, 16523, 1272863, 16547219, 39458753, 52187383, 512963789, 678435979, 1617808873, 21031515349]

約数ペア:

[(1, 21031515349), (13, 1617808873), (31, 678435979), (41, 512963789), (403, 52187383), (533, 39458753), (1271, 16547219), (16523, 1272863)]