21673652

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5413}}^1$

素因数の和:5448

約数の個数: 48

約数和(自身を含む): 50934912

約数和(自身を除く): 29261260

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 5413, 10826, 21652, 37891, 59543, 70369, 75782, 119086, 140738, 151564, 238172, 281476, 416801, 492583, 774059, 833602, 985166, 1548118, 1667204, 1970332, 3096236, 5418413, 10836826, 21673652]

約数ペア:

[(1, 21673652), (2, 10836826), (4, 5418413), (7, 3096236), (11, 1970332), (13, 1667204), (14, 1548118), (22, 985166), (26, 833602), (28, 774059), (44, 492583), (52, 416801), (77, 281476), (91, 238172), (143, 151564), (154, 140738), (182, 119086), (286, 75782), (308, 70369), (364, 59543), (572, 37891), (1001, 21652), (2002, 10826), (4004, 5413)]