21461661

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3461}}^1$

素因数の和:3533

約数の個数: 24

約数和(自身を含む): 34024536

約数和(自身を除く): 12562875

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 2067, 3461, 6201, 10383, 31149, 44993, 134979, 183433, 404937, 550299, 1650897, 2384629, 7153887, 21461661]

約数ペア:

[(1, 21461661), (3, 7153887), (9, 2384629), (13, 1650897), (39, 550299), (53, 404937), (117, 183433), (159, 134979), (477, 44993), (689, 31149), (2067, 10383), (3461, 6201)]