21831780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{12547}}^1$

素因数の和:12588

約数の個数: 48

約数和(自身を含む): 63241920

約数和(自身を除く): 41410140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 12547, 25094, 37641, 50188, 62735, 75282, 125470, 150564, 188205, 250940, 363863, 376410, 727726, 752820, 1091589, 1455452, 1819315, 2183178, 3638630, 4366356, 5457945, 7277260, 10915890, 21831780]

約数ペア:

[(1, 21831780), (2, 10915890), (3, 7277260), (4, 5457945), (5, 4366356), (6, 3638630), (10, 2183178), (12, 1819315), (15, 1455452), (20, 1091589), (29, 752820), (30, 727726), (58, 376410), (60, 363863), (87, 250940), (116, 188205), (145, 150564), (174, 125470), (290, 75282), (348, 62735), (435, 50188), (580, 37641), (870, 25094), (1740, 12547)]