21616490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16253}}^1$

素因数の和:16286

約数の個数: 32

約数和(自身を含む): 46811520

約数和(自身を除く): 25195030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 16253, 32506, 81265, 113771, 162530, 227542, 308807, 568855, 617614, 1137710, 1544035, 2161649, 3088070, 4323298, 10808245, 21616490]

約数ペア:

[(1, 21616490), (2, 10808245), (5, 4323298), (7, 3088070), (10, 2161649), (14, 1544035), (19, 1137710), (35, 617614), (38, 568855), (70, 308807), (95, 227542), (133, 162530), (190, 113771), (266, 81265), (665, 32506), (1330, 16253)]