21000657705

素因数分解:

$3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{8092739}}^1$

素因数の和:8092920

約数の個数: 16

約数和(自身を含む): 33795282240

約数和(自身を除く): 12794624535

約数列:

[1, 3, 5, 15, 173, 519, 865, 2595, 8092739, 24278217, 40463695, 121391085, 1400043847, 4200131541, 7000219235, 21000657705]

約数ペア:

[(1, 21000657705), (3, 7000219235), (5, 4200131541), (15, 1400043847), (173, 121391085), (519, 40463695), (865, 24278217), (2595, 8092739)]