21991574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{463}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 38486016

約数和(自身を除く): 16494442

約数列:

[1, 2, 11, 17, 22, 34, 127, 187, 254, 374, 463, 926, 1397, 2159, 2794, 4318, 5093, 7871, 10186, 15742, 23749, 47498, 58801, 86581, 117602, 173162, 646811, 999617, 1293622, 1999234, 10995787, 21991574]

約数ペア:

[(1, 21991574), (2, 10995787), (11, 1999234), (17, 1293622), (22, 999617), (34, 646811), (127, 173162), (187, 117602), (254, 86581), (374, 58801), (463, 47498), (926, 23749), (1397, 15742), (2159, 10186), (2794, 7871), (4318, 5093)]