21345256

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1103}}^1$

素因数の和:1209

約数の個数: 32

約数和(自身を含む): 41731200

約数和(自身を除く): 20385944

約数列:

[1, 2, 4, 8, 41, 59, 82, 118, 164, 236, 328, 472, 1103, 2206, 2419, 4412, 4838, 8824, 9676, 19352, 45223, 65077, 90446, 130154, 180892, 260308, 361784, 520616, 2668157, 5336314, 10672628, 21345256]

約数ペア:

[(1, 21345256), (2, 10672628), (4, 5336314), (8, 2668157), (41, 520616), (59, 361784), (82, 260308), (118, 180892), (164, 130154), (236, 90446), (328, 65077), (472, 45223), (1103, 19352), (2206, 9676), (2419, 8824), (4412, 4838)]