21081526

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{9403}}^1$

素因数の和:9483

約数の個数: 16

約数和(自身を含む): 33854400

約数和(自身を除く): 12772874

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 9403, 18806, 178657, 357314, 554777, 1109554, 10540763, 21081526]

約数ペア:

[(1, 21081526), (2, 10540763), (19, 1109554), (38, 554777), (59, 357314), (118, 178657), (1121, 18806), (2242, 9403)]