21654136

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5297}}^1$

素因数の和:5383

約数の個数: 32

約数和(自身を含む): 47046240

約数和(自身を除く): 25392104

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 146, 292, 511, 584, 1022, 2044, 4088, 5297, 10594, 21188, 37079, 42376, 74158, 148316, 296632, 386681, 773362, 1546724, 2706767, 3093448, 5413534, 10827068, 21654136]

約数ペア:

[(1, 21654136), (2, 10827068), (4, 5413534), (7, 3093448), (8, 2706767), (14, 1546724), (28, 773362), (56, 386681), (73, 296632), (146, 148316), (292, 74158), (511, 42376), (584, 37079), (1022, 21188), (2044, 10594), (4088, 5297)]