21382894

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{1543}}^1$

素因数の和:1612

約数の個数: 24

約数和(自身を含む): 35601552

約数和(自身を除く): 14218658

約数列:

[1, 2, 13, 26, 41, 82, 169, 338, 533, 1066, 1543, 3086, 6929, 13858, 20059, 40118, 63263, 126526, 260767, 521534, 822419, 1644838, 10691447, 21382894]

約数ペア:

[(1, 21382894), (2, 10691447), (13, 1644838), (26, 822419), (41, 521534), (82, 260767), (169, 126526), (338, 63263), (533, 40118), (1066, 20059), (1543, 13858), (3086, 6929)]