21076706

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{503}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 37594368

約数和(自身を除く): 16517662

約数列:

[1, 2, 7, 14, 41, 73, 82, 146, 287, 503, 511, 574, 1006, 1022, 2993, 3521, 5986, 7042, 20623, 20951, 36719, 41246, 41902, 73438, 144361, 257033, 288722, 514066, 1505479, 3010958, 10538353, 21076706]

約数ペア:

[(1, 21076706), (2, 10538353), (7, 3010958), (14, 1505479), (41, 514066), (73, 288722), (82, 257033), (146, 144361), (287, 73438), (503, 41902), (511, 41246), (574, 36719), (1006, 20951), (1022, 20623), (2993, 7042), (3521, 5986)]