21640524

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2467}}^1$

素因数の和:2534

約数の個数: 48

約数和(自身を含む): 54730368

約数和(自身を除く): 33089844

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 43, 51, 68, 86, 102, 129, 172, 204, 258, 516, 731, 1462, 2193, 2467, 2924, 4386, 4934, 7401, 8772, 9868, 14802, 29604, 41939, 83878, 106081, 125817, 167756, 212162, 251634, 318243, 424324, 503268, 636486, 1272972, 1803377, 3606754, 5410131, 7213508, 10820262, 21640524]

約数ペア:

[(1, 21640524), (2, 10820262), (3, 7213508), (4, 5410131), (6, 3606754), (12, 1803377), (17, 1272972), (34, 636486), (43, 503268), (51, 424324), (68, 318243), (86, 251634), (102, 212162), (129, 167756), (172, 125817), (204, 106081), (258, 83878), (516, 41939), (731, 29604), (1462, 14802), (2193, 9868), (2467, 8772), (2924, 7401), (4386, 4934)]