21509547720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4168517}}^1$

素因数の和:4168574

約数の個数: 64

約数和(自身を含む): 66029325120

約数和(自身を除く): 44519777400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 4168517, 8337034, 12505551, 16674068, 20842585, 25011102, 33348136, 41685170, 50022204, 62527755, 83370340, 100044408, 125055510, 166740680, 179246231, 250111020, 358492462, 500222040, 537738693, 716984924, 896231155, 1075477386, 1433969848, 1792462310, 2150954772, 2688693465, 3584924620, 4301909544, 5377386930, 7169849240, 10754773860, 21509547720]

約数ペア:

[(1, 21509547720), (2, 10754773860), (3, 7169849240), (4, 5377386930), (5, 4301909544), (6, 3584924620), (8, 2688693465), (10, 2150954772), (12, 1792462310), (15, 1433969848), (20, 1075477386), (24, 896231155), (30, 716984924), (40, 537738693), (43, 500222040), (60, 358492462), (86, 250111020), (120, 179246231), (129, 166740680), (172, 125055510), (215, 100044408), (258, 83370340), (344, 62527755), (430, 50022204), (516, 41685170), (645, 33348136), (860, 25011102), (1032, 20842585), (1290, 16674068), (1720, 12505551), (2580, 8337034), (5160, 4168517)]