2021305741

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{55117}}^1$

素因数の和:55181

約数の個数: 24

約数和(自身を含む): 2582168064

約数和(自身を除く): 560862323

約数列:

[1, 7, 13, 31, 91, 169, 217, 403, 1183, 2821, 5239, 36673, 55117, 385819, 716521, 1708627, 5015647, 9314773, 11960389, 22212151, 65203411, 155485057, 288757963, 2021305741]

約数ペア:

[(1, 2021305741), (7, 288757963), (13, 155485057), (31, 65203411), (91, 22212151), (169, 11960389), (217, 9314773), (403, 5015647), (1183, 1708627), (2821, 716521), (5239, 385819), (36673, 55117)]