21064290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54011}}^1$

素因数の和:54034

約数の個数: 32

約数和(自身を含む): 54444096

約数和(自身を除く): 33379806

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54011, 108022, 162033, 270055, 324066, 540110, 702143, 810165, 1404286, 1620330, 2106429, 3510715, 4212858, 7021430, 10532145, 21064290]

約数ペア:

[(1, 21064290), (2, 10532145), (3, 7021430), (5, 4212858), (6, 3510715), (10, 2106429), (13, 1620330), (15, 1404286), (26, 810165), (30, 702143), (39, 540110), (65, 324066), (78, 270055), (130, 162033), (195, 108022), (390, 54011)]