21861938

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{5441}}^1$

素因数の和:5498

約数の個数: 24

約数和(自身を含む): 39084444

約数和(自身を除く): 17222506

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 5441, 10882, 38087, 76174, 223081, 266609, 446162, 533218, 1561567, 3123134, 10930969, 21861938]

約数ペア:

[(1, 21861938), (2, 10930969), (7, 3123134), (14, 1561567), (41, 533218), (49, 446162), (82, 266609), (98, 223081), (287, 76174), (574, 38087), (2009, 10882), (4018, 5441)]