21476368

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{28559}}^1$

素因数の和:28614

約数の個数: 20

約数和(自身を含む): 42497280

約数和(自身を除く): 21020912

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 28559, 57118, 114236, 228472, 456944, 1342273, 2684546, 5369092, 10738184, 21476368]

約数ペア:

[(1, 21476368), (2, 10738184), (4, 5369092), (8, 2684546), (16, 1342273), (47, 456944), (94, 228472), (188, 114236), (376, 57118), (752, 28559)]