21381569482

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{370603}}^1$

素因数の和:370942

約数の個数: 32

約数和(自身を含む): 39598296192

約数和(自身を除く): 18216726710

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 317, 634, 2219, 4121, 4438, 8242, 28847, 57694, 370603, 741206, 2594221, 4817839, 5188442, 9635678, 33724873, 67449746, 117481151, 234962302, 822368057, 1527254963, 1644736114, 3054509926, 10690784741, 21381569482]

約数ペア:

[(1, 21381569482), (2, 10690784741), (7, 3054509926), (13, 1644736114), (14, 1527254963), (26, 822368057), (91, 234962302), (182, 117481151), (317, 67449746), (634, 33724873), (2219, 9635678), (4121, 5188442), (4438, 4817839), (8242, 2594221), (28847, 741206), (57694, 370603)]