21268758

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1451}}^1$

素因数の和:1812

約数の個数: 32

約数和(自身を含む): 48787200

約数和(自身を除く): 27518442

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 349, 698, 1047, 1451, 2094, 2443, 2902, 4353, 4886, 7329, 8706, 10157, 14658, 20314, 30471, 60942, 506399, 1012798, 1519197, 3038394, 3544793, 7089586, 10634379, 21268758]

約数ペア:

[(1, 21268758), (2, 10634379), (3, 7089586), (6, 3544793), (7, 3038394), (14, 1519197), (21, 1012798), (42, 506399), (349, 60942), (698, 30471), (1047, 20314), (1451, 14658), (2094, 10157), (2443, 8706), (2902, 7329), (4353, 4886)]