21132054

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1303}}^1$

素因数の和:1381

約数の個数: 48

約数和(自身を含む): 49432032

約数和(自身を除く): 28299978

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 53, 102, 106, 153, 159, 306, 318, 477, 901, 954, 1303, 1802, 2606, 2703, 3909, 5406, 7818, 8109, 11727, 16218, 22151, 23454, 44302, 66453, 69059, 132906, 138118, 199359, 207177, 398718, 414354, 621531, 1174003, 1243062, 2348006, 3522009, 7044018, 10566027, 21132054]

約数ペア:

[(1, 21132054), (2, 10566027), (3, 7044018), (6, 3522009), (9, 2348006), (17, 1243062), (18, 1174003), (34, 621531), (51, 414354), (53, 398718), (102, 207177), (106, 199359), (153, 138118), (159, 132906), (306, 69059), (318, 66453), (477, 44302), (901, 23454), (954, 22151), (1303, 16218), (1802, 11727), (2606, 8109), (2703, 7818), (3909, 5406)]