21233000

素因数分解:

$2^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1249}}^1$

素因数の和:1287

約数の個数: 64

約数和(自身を含む): 52650000

約数和(自身を除く): 31417000

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, 1249, 1700, 2125, 2498, 3400, 4250, 4996, 6245, 8500, 9992, 12490, 17000, 21233, 24980, 31225, 42466, 49960, 62450, 84932, 106165, 124900, 156125, 169864, 212330, 249800, 312250, 424660, 530825, 624500, 849320, 1061650, 1249000, 2123300, 2654125, 4246600, 5308250, 10616500, 21233000]

約数ペア:

[(1, 21233000), (2, 10616500), (4, 5308250), (5, 4246600), (8, 2654125), (10, 2123300), (17, 1249000), (20, 1061650), (25, 849320), (34, 624500), (40, 530825), (50, 424660), (68, 312250), (85, 249800), (100, 212330), (125, 169864), (136, 156125), (170, 124900), (200, 106165), (250, 84932), (340, 62450), (425, 49960), (500, 42466), (680, 31225), (850, 24980), (1000, 21233), (1249, 17000), (1700, 12490), (2125, 9992), (2498, 8500), (3400, 6245), (4250, 4996)]