21536964

素因数分解:

$2^2\times 3^2\times {\mathrm{281}}^1\times {\mathrm{2129}}^1$

素因数の和:2420

約数の個数: 36

約数和(自身を含む): 54660060

約数和(自身を除く): 33123096

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 281, 562, 843, 1124, 1686, 2129, 2529, 3372, 4258, 5058, 6387, 8516, 10116, 12774, 19161, 25548, 38322, 76644, 598249, 1196498, 1794747, 2392996, 3589494, 5384241, 7178988, 10768482, 21536964]

約数ペア:

[(1, 21536964), (2, 10768482), (3, 7178988), (4, 5384241), (6, 3589494), (9, 2392996), (12, 1794747), (18, 1196498), (36, 598249), (281, 76644), (562, 38322), (843, 25548), (1124, 19161), (1686, 12774), (2129, 10116), (2529, 8516), (3372, 6387), (4258, 5058)]