21916065

素因数分解:

$3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{5821}}^1$

素因数の和:6080

約数の個数: 16

約数和(自身を含む): 35211456

約数和(自身を除く): 13295391

約数列:

[1, 3, 5, 15, 251, 753, 1255, 3765, 5821, 17463, 29105, 87315, 1461071, 4383213, 7305355, 21916065]

約数ペア:

[(1, 21916065), (3, 7305355), (5, 4383213), (15, 1461071), (251, 87315), (753, 29105), (1255, 17463), (3765, 5821)]