21184500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:538

約数の個数: 96

約数和(自身を含む): 63947520

約数和(自身を除く): 42763020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 50, 58, 60, 75, 87, 100, 116, 125, 145, 150, 174, 250, 290, 300, 348, 375, 435, 487, 500, 580, 725, 750, 870, 974, 1450, 1461, 1500, 1740, 1948, 2175, 2435, 2900, 2922, 3625, 4350, 4870, 5844, 7250, 7305, 8700, 9740, 10875, 12175, 14123, 14500, 14610, 21750, 24350, 28246, 29220, 36525, 42369, 43500, 48700, 56492, 60875, 70615, 73050, 84738, 121750, 141230, 146100, 169476, 182625, 211845, 243500, 282460, 353075, 365250, 423690, 706150, 730500, 847380, 1059225, 1412300, 1765375, 2118450, 3530750, 4236900, 5296125, 7061500, 10592250, 21184500]

約数ペア:

[(1, 21184500), (2, 10592250), (3, 7061500), (4, 5296125), (5, 4236900), (6, 3530750), (10, 2118450), (12, 1765375), (15, 1412300), (20, 1059225), (25, 847380), (29, 730500), (30, 706150), (50, 423690), (58, 365250), (60, 353075), (75, 282460), (87, 243500), (100, 211845), (116, 182625), (125, 169476), (145, 146100), (150, 141230), (174, 121750), (250, 84738), (290, 73050), (300, 70615), (348, 60875), (375, 56492), (435, 48700), (487, 43500), (500, 42369), (580, 36525), (725, 29220), (750, 28246), (870, 24350), (974, 21750), (1450, 14610), (1461, 14500), (1500, 14123), (1740, 12175), (1948, 10875), (2175, 9740), (2435, 8700), (2900, 7305), (2922, 7250), (3625, 5844), (4350, 4870)]