21000480764

素因数分解:

$2^2\times {\mathrm{5563}}^1\times {\mathrm{943757}}^1$

素因数の和:949324

約数の個数: 12

約数和(自身を含む): 36757486584

約数和(自身を除く): 15757005820

約数列:

[1, 2, 4, 5563, 11126, 22252, 943757, 1887514, 3775028, 5250120191, 10500240382, 21000480764]

約数ペア:

[(1, 21000480764), (2, 10500240382), (4, 5250120191), (5563, 3775028), (11126, 1887514), (22252, 943757)]