211821096

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{205253}}^1$

素因数の和:205305

約数の個数: 32

約数和(自身を含む): 541870560

約数和(自身を除く): 330049464

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 205253, 410506, 615759, 821012, 1231518, 1642024, 2463036, 4926072, 8825879, 17651758, 26477637, 35303516, 52955274, 70607032, 105910548, 211821096]

約数ペア:

[(1, 211821096), (2, 105910548), (3, 70607032), (4, 52955274), (6, 35303516), (8, 26477637), (12, 17651758), (24, 8825879), (43, 4926072), (86, 2463036), (129, 1642024), (172, 1231518), (258, 821012), (344, 615759), (516, 410506), (1032, 205253)]