21698715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{85093}}^1$

素因数の和:85118

約数の個数: 16

約数和(自身を含む): 36760608

約数和(自身を除く): 15061893

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 85093, 255279, 425465, 1276395, 1446581, 4339743, 7232905, 21698715]

約数ペア:

[(1, 21698715), (3, 7232905), (5, 4339743), (15, 1446581), (17, 1276395), (51, 425465), (85, 255279), (255, 85093)]