21920470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15329}}^1$

素因数の和:15360

約数の個数: 32

約数和(自身を含む): 46357920

約数和(自身を除く): 24437450

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 15329, 30658, 76645, 153290, 168619, 199277, 337238, 398554, 843095, 996385, 1686190, 1992770, 2192047, 4384094, 10960235, 21920470]

約数ペア:

[(1, 21920470), (2, 10960235), (5, 4384094), (10, 2192047), (11, 1992770), (13, 1686190), (22, 996385), (26, 843095), (55, 398554), (65, 337238), (110, 199277), (130, 168619), (143, 153290), (286, 76645), (715, 30658), (1430, 15329)]