21744513

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 38638080

約数和(自身を除く): 16893567

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 79, 119, 153, 237, 257, 357, 553, 711, 771, 1071, 1343, 1659, 1799, 2313, 4029, 4369, 4977, 5397, 9401, 12087, 13107, 16191, 20303, 28203, 30583, 39321, 60909, 84609, 91749, 142121, 182727, 275247, 345151, 426363, 1035453, 1279089, 2416057, 3106359, 7248171, 21744513]

約数ペア:

[(1, 21744513), (3, 7248171), (7, 3106359), (9, 2416057), (17, 1279089), (21, 1035453), (51, 426363), (63, 345151), (79, 275247), (119, 182727), (153, 142121), (237, 91749), (257, 84609), (357, 60909), (553, 39321), (711, 30583), (771, 28203), (1071, 20303), (1343, 16191), (1659, 13107), (1799, 12087), (2313, 9401), (4029, 5397), (4369, 4977)]