21947000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1291}}^1$

素因数の和:1329

約数の個数: 64

約数和(自身を含む): 54419040

約数和(自身を除く): 32472040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 200, 250, 340, 425, 500, 680, 850, 1000, 1291, 1700, 2125, 2582, 3400, 4250, 5164, 6455, 8500, 10328, 12910, 17000, 21947, 25820, 32275, 43894, 51640, 64550, 87788, 109735, 129100, 161375, 175576, 219470, 258200, 322750, 438940, 548675, 645500, 877880, 1097350, 1291000, 2194700, 2743375, 4389400, 5486750, 10973500, 21947000]

約数ペア:

[(1, 21947000), (2, 10973500), (4, 5486750), (5, 4389400), (8, 2743375), (10, 2194700), (17, 1291000), (20, 1097350), (25, 877880), (34, 645500), (40, 548675), (50, 438940), (68, 322750), (85, 258200), (100, 219470), (125, 175576), (136, 161375), (170, 129100), (200, 109735), (250, 87788), (340, 64550), (425, 51640), (500, 43894), (680, 32275), (850, 25820), (1000, 21947), (1291, 17000), (1700, 12910), (2125, 10328), (2582, 8500), (3400, 6455), (4250, 5164)]