21388574

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 35334144

約数和(自身を除く): 13945570

約数列:

[1, 2, 23, 31, 46, 53, 62, 106, 283, 566, 713, 1219, 1426, 1643, 2438, 3286, 6509, 8773, 13018, 14999, 17546, 29998, 37789, 75578, 201779, 344977, 403558, 464969, 689954, 929938, 10694287, 21388574]

約数ペア:

[(1, 21388574), (2, 10694287), (23, 929938), (31, 689954), (46, 464969), (53, 403558), (62, 344977), (106, 201779), (283, 75578), (566, 37789), (713, 29998), (1219, 17546), (1426, 14999), (1643, 13018), (2438, 8773), (3286, 6509)]