21101318

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{88661}}^1$

素因数の和:88687

約数の個数: 16

約数和(自身を含む): 38301984

約数和(自身を除く): 17200666

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 88661, 177322, 620627, 1241254, 1507237, 3014474, 10550659, 21101318]

約数ペア:

[(1, 21101318), (2, 10550659), (7, 3014474), (14, 1507237), (17, 1241254), (34, 620627), (119, 177322), (238, 88661)]