21134655

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9209}}^1$

素因数の和:9240

約数の個数: 32

約数和(自身を含む): 39787200

約数和(自身を除く): 18652545

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 9209, 27627, 46045, 82881, 138135, 156553, 248643, 414405, 469659, 782765, 1243215, 1408977, 2348295, 4226931, 7044885, 21134655]

約数ペア:

[(1, 21134655), (3, 7044885), (5, 4226931), (9, 2348295), (15, 1408977), (17, 1243215), (27, 782765), (45, 469659), (51, 414405), (85, 248643), (135, 156553), (153, 138135), (255, 82881), (459, 46045), (765, 27627), (2295, 9209)]