21627892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37811}}^1$

素因数の和:37839

約数の個数: 24

約数和(自身を含む): 44466912

約数和(自身を除く): 22839020

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37811, 75622, 151244, 415921, 491543, 831842, 983086, 1663684, 1966172, 5406973, 10813946, 21627892]

約数ペア:

[(1, 21627892), (2, 10813946), (4, 5406973), (11, 1966172), (13, 1663684), (22, 983086), (26, 831842), (44, 491543), (52, 415921), (143, 151244), (286, 75622), (572, 37811)]