21103126

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 37537920

約数和(自身を除く): 16434794

約数列:

[1, 2, 11, 22, 29, 31, 58, 62, 97, 121, 194, 242, 319, 341, 638, 682, 899, 1067, 1798, 2134, 2813, 3007, 3509, 3751, 5626, 6014, 7018, 7502, 9889, 11737, 19778, 23474, 30943, 33077, 61886, 66154, 87203, 108779, 174406, 217558, 340373, 363847, 680746, 727694, 959233, 1918466, 10551563, 21103126]

約数ペア:

[(1, 21103126), (2, 10551563), (11, 1918466), (22, 959233), (29, 727694), (31, 680746), (58, 363847), (62, 340373), (97, 217558), (121, 174406), (194, 108779), (242, 87203), (319, 66154), (341, 61886), (638, 33077), (682, 30943), (899, 23474), (1067, 19778), (1798, 11737), (2134, 9889), (2813, 7502), (3007, 7018), (3509, 6014), (3751, 5626)]