21897173697

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61336621}}^1$

素因数の和:61336648

約数の個数: 16

約数和(自身を含む): 35329894272

約数和(自身を除く): 13432720575

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 61336621, 184009863, 429356347, 1042722557, 1288069041, 3128167671, 7299057899, 21897173697]

約数ペア:

[(1, 21897173697), (3, 7299057899), (7, 3128167671), (17, 1288069041), (21, 1042722557), (51, 429356347), (119, 184009863), (357, 61336621)]