21091322

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3853}}^1$

素因数の和:3902

約数の個数: 32

約数和(自身を含む): 39958272

約数和(自身を除く): 18866950

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 119, 161, 238, 322, 391, 782, 2737, 3853, 5474, 7706, 26971, 53942, 65501, 88619, 131002, 177238, 458507, 620333, 917014, 1240666, 1506523, 3013046, 10545661, 21091322]

約数ペア:

[(1, 21091322), (2, 10545661), (7, 3013046), (14, 1506523), (17, 1240666), (23, 917014), (34, 620333), (46, 458507), (119, 177238), (161, 131002), (238, 88619), (322, 65501), (391, 53942), (782, 26971), (2737, 7706), (3853, 5474)]