21698556

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1847}}^1$

素因数の和:1954

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 34184964

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 89, 132, 178, 267, 356, 534, 979, 1068, 1847, 1958, 2937, 3694, 3916, 5541, 5874, 7388, 11082, 11748, 20317, 22164, 40634, 60951, 81268, 121902, 164383, 243804, 328766, 493149, 657532, 986298, 1808213, 1972596, 3616426, 5424639, 7232852, 10849278, 21698556]

約数ペア:

[(1, 21698556), (2, 10849278), (3, 7232852), (4, 5424639), (6, 3616426), (11, 1972596), (12, 1808213), (22, 986298), (33, 657532), (44, 493149), (66, 328766), (89, 243804), (132, 164383), (178, 121902), (267, 81268), (356, 60951), (534, 40634), (979, 22164), (1068, 20317), (1847, 11748), (1958, 11082), (2937, 7388), (3694, 5874), (3916, 5541)]