21995016

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{21313}}^1$

素因数の和:21365

約数の個数: 32

約数和(自身を含む): 56268960

約数和(自身を除く): 34273944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 21313, 42626, 63939, 85252, 127878, 170504, 255756, 511512, 916459, 1832918, 2749377, 3665836, 5498754, 7331672, 10997508, 21995016]

約数ペア:

[(1, 21995016), (2, 10997508), (3, 7331672), (4, 5498754), (6, 3665836), (8, 2749377), (12, 1832918), (24, 916459), (43, 511512), (86, 255756), (129, 170504), (172, 127878), (258, 85252), (344, 63939), (516, 42626), (1032, 21313)]