21170328

素因数分解:

$2^3\times 3^1\times {\mathrm{509}}^1\times {\mathrm{1733}}^1$

素因数の和:2251

約数の個数: 32

約数和(自身を含む): 53060400

約数和(自身を除く): 31890072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 509, 1018, 1527, 1733, 2036, 3054, 3466, 4072, 5199, 6108, 6932, 10398, 12216, 13864, 20796, 41592, 882097, 1764194, 2646291, 3528388, 5292582, 7056776, 10585164, 21170328]

約数ペア:

[(1, 21170328), (2, 10585164), (3, 7056776), (4, 5292582), (6, 3528388), (8, 2646291), (12, 1764194), (24, 882097), (509, 41592), (1018, 20796), (1527, 13864), (1733, 12216), (2036, 10398), (3054, 6932), (3466, 6108), (4072, 5199)]