21542484

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 52157952

約数和(自身を除く): 30615468

約数列:

[1, 2, 3, 4, 6, 12, 43, 83, 86, 129, 166, 172, 249, 258, 332, 498, 503, 516, 996, 1006, 1509, 2012, 3018, 3569, 6036, 7138, 10707, 14276, 21414, 21629, 41749, 42828, 43258, 64887, 83498, 86516, 125247, 129774, 166996, 250494, 259548, 500988, 1795207, 3590414, 5385621, 7180828, 10771242, 21542484]

約数ペア:

[(1, 21542484), (2, 10771242), (3, 7180828), (4, 5385621), (6, 3590414), (12, 1795207), (43, 500988), (83, 259548), (86, 250494), (129, 166996), (166, 129774), (172, 125247), (249, 86516), (258, 83498), (332, 64887), (498, 43258), (503, 42828), (516, 41749), (996, 21629), (1006, 21414), (1509, 14276), (2012, 10707), (3018, 7138), (3569, 6036)]