21580704

素因数分解:

$2^5\times 3^2\times {\mathrm{74933}}^1$

素因数の和:74949

約数の個数: 36

約数和(自身を含む): 61370946

約数和(自身を除く): 39790242

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 74933, 149866, 224799, 299732, 449598, 599464, 674397, 899196, 1198928, 1348794, 1798392, 2397856, 2697588, 3596784, 5395176, 7193568, 10790352, 21580704]

約数ペア:

[(1, 21580704), (2, 10790352), (3, 7193568), (4, 5395176), (6, 3596784), (8, 2697588), (9, 2397856), (12, 1798392), (16, 1348794), (18, 1198928), (24, 899196), (32, 674397), (36, 599464), (48, 449598), (72, 299732), (96, 224799), (144, 149866), (288, 74933)]