21284714

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{56911}}^1$

素因数の和:56941

約数の個数: 16

約数和(自身を含む): 36878976

約数和(自身を除く): 15594262

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 56911, 113822, 626021, 967487, 1252042, 1934974, 10642357, 21284714]

約数ペア:

[(1, 21284714), (2, 10642357), (11, 1934974), (17, 1252042), (22, 967487), (34, 626021), (187, 113822), (374, 56911)]