21000966551

素因数分解:

${\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{2625449}}^1$

素因数の和:2625889

約数の個数: 8

約数和(自身を含む): 22158798000

約数和(自身を除く): 1157831449

約数列:

[1, 19, 421, 7999, 2625449, 49883531, 1105314029, 21000966551]

約数ペア:

[(1, 21000966551), (19, 1105314029), (421, 49883531), (7999, 2625449)]