2161278

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1009}}^1$

素因数の和:1041

約数の個数: 48

約数和(自身を含む): 5672160

約数和(自身を除く): 3510882

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1009, 1071, 2018, 2142, 3027, 6054, 7063, 9081, 14126, 17153, 18162, 21189, 34306, 42378, 51459, 63567, 102918, 120071, 127134, 154377, 240142, 308754, 360213, 720426, 1080639, 2161278]

約数ペア:

[(1, 2161278), (2, 1080639), (3, 720426), (6, 360213), (7, 308754), (9, 240142), (14, 154377), (17, 127134), (18, 120071), (21, 102918), (34, 63567), (42, 51459), (51, 42378), (63, 34306), (102, 21189), (119, 18162), (126, 17153), (153, 14126), (238, 9081), (306, 7063), (357, 6054), (714, 3027), (1009, 2142), (1071, 2018)]