21418334

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2903}}^1$

素因数の和:2960

約数の個数: 32

約数和(自身を含む): 40144896

約数和(自身を除く): 18726562

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 119, 217, 238, 434, 527, 1054, 2903, 3689, 5806, 7378, 20321, 40642, 49351, 89993, 98702, 179986, 345457, 629951, 690914, 1259902, 1529881, 3059762, 10709167, 21418334]

約数ペア:

[(1, 21418334), (2, 10709167), (7, 3059762), (14, 1529881), (17, 1259902), (31, 690914), (34, 629951), (62, 345457), (119, 179986), (217, 98702), (238, 89993), (434, 49351), (527, 40642), (1054, 20321), (2903, 7378), (3689, 5806)]