21068830

素因数分解:

$2^1\times 5^1\times {\mathrm{383}}^1\times {\mathrm{5501}}^1$

素因数の和:5891

約数の個数: 16

約数和(自身を含む): 38029824

約数和(自身を除く): 16960994

約数列:

[1, 2, 5, 10, 383, 766, 1915, 3830, 5501, 11002, 27505, 55010, 2106883, 4213766, 10534415, 21068830]

約数ペア:

[(1, 21068830), (2, 10534415), (5, 4213766), (10, 2106883), (383, 55010), (766, 27505), (1915, 11002), (3830, 5501)]