21164013

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3413}}^1$

素因数の和:3485

約数の個数: 24

約数和(自身を含む): 33552792

約数和(自身を除く): 12388779

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 2067, 3413, 6201, 10239, 30717, 44369, 133107, 180889, 399321, 542667, 1628001, 2351557, 7054671, 21164013]

約数ペア:

[(1, 21164013), (3, 7054671), (9, 2351557), (13, 1628001), (39, 542667), (53, 399321), (117, 180889), (159, 133107), (477, 44369), (689, 30717), (2067, 10239), (3413, 6201)]