21284724

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1973}}^1$

素因数の和:2040

約数の個数: 48

約数和(自身を含む): 53061120

約数和(自身を除く): 31776396

約数列:

[1, 2, 3, 4, 6, 12, 29, 31, 58, 62, 87, 93, 116, 124, 174, 186, 348, 372, 899, 1798, 1973, 2697, 3596, 3946, 5394, 5919, 7892, 10788, 11838, 23676, 57217, 61163, 114434, 122326, 171651, 183489, 228868, 244652, 343302, 366978, 686604, 733956, 1773727, 3547454, 5321181, 7094908, 10642362, 21284724]

約数ペア:

[(1, 21284724), (2, 10642362), (3, 7094908), (4, 5321181), (6, 3547454), (12, 1773727), (29, 733956), (31, 686604), (58, 366978), (62, 343302), (87, 244652), (93, 228868), (116, 183489), (124, 171651), (174, 122326), (186, 114434), (348, 61163), (372, 57217), (899, 23676), (1798, 11838), (1973, 10788), (2697, 7892), (3596, 5919), (3946, 5394)]