21161555280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29391049}}^1$

素因数の和:29391068

約数の個数: 60

約数和(自身を含む): 71067558900

約数和(自身を除く): 49906003620

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 29391049, 58782098, 88173147, 117564196, 146955245, 176346294, 235128392, 264519441, 293910490, 352692588, 440865735, 470256784, 529038882, 587820980, 705385176, 881731470, 1058077764, 1175641960, 1322597205, 1410770352, 1763462940, 2116155528, 2351283920, 2645194410, 3526925880, 4232311056, 5290388820, 7053851760, 10580777640, 21161555280]

約数ペア:

[(1, 21161555280), (2, 10580777640), (3, 7053851760), (4, 5290388820), (5, 4232311056), (6, 3526925880), (8, 2645194410), (9, 2351283920), (10, 2116155528), (12, 1763462940), (15, 1410770352), (16, 1322597205), (18, 1175641960), (20, 1058077764), (24, 881731470), (30, 705385176), (36, 587820980), (40, 529038882), (45, 470256784), (48, 440865735), (60, 352692588), (72, 293910490), (80, 264519441), (90, 235128392), (120, 176346294), (144, 146955245), (180, 117564196), (240, 88173147), (360, 58782098), (720, 29391049)]