21689616

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{34759}}^1$

素因数の和:34783

約数の個数: 40

約数和(自身を含む): 60343360

約数和(自身を除く): 38653744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 34759, 69518, 104277, 139036, 208554, 278072, 417108, 451867, 556144, 834216, 903734, 1355601, 1668432, 1807468, 2711202, 3614936, 5422404, 7229872, 10844808, 21689616]

約数ペア:

[(1, 21689616), (2, 10844808), (3, 7229872), (4, 5422404), (6, 3614936), (8, 2711202), (12, 1807468), (13, 1668432), (16, 1355601), (24, 903734), (26, 834216), (39, 556144), (48, 451867), (52, 417108), (78, 278072), (104, 208554), (156, 139036), (208, 104277), (312, 69518), (624, 34759)]