21313754

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{138401}}^1$

素因数の和:138421

約数の個数: 16

約数和(自身を含む): 39859776

約数和(自身を除く): 18546022

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 138401, 276802, 968807, 1522411, 1937614, 3044822, 10656877, 21313754]

約数ペア:

[(1, 21313754), (2, 10656877), (7, 3044822), (11, 1937614), (14, 1522411), (22, 968807), (77, 276802), (154, 138401)]