21084798

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2473}}^1$

素因数の和:2521

約数の個数: 48

約数和(自身を含む): 50766480

約数和(自身を除く): 29681682

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 49, 58, 87, 98, 147, 174, 203, 294, 406, 609, 1218, 1421, 2473, 2842, 4263, 4946, 7419, 8526, 14838, 17311, 34622, 51933, 71717, 103866, 121177, 143434, 215151, 242354, 363531, 430302, 502019, 727062, 1004038, 1506057, 3012114, 3514133, 7028266, 10542399, 21084798]

約数ペア:

[(1, 21084798), (2, 10542399), (3, 7028266), (6, 3514133), (7, 3012114), (14, 1506057), (21, 1004038), (29, 727062), (42, 502019), (49, 430302), (58, 363531), (87, 242354), (98, 215151), (147, 143434), (174, 121177), (203, 103866), (294, 71717), (406, 51933), (609, 34622), (1218, 17311), (1421, 14838), (2473, 8526), (2842, 7419), (4263, 4946)]