21860147170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{128589101}}^1$

素因数の和:128589125

約数の個数: 16

約数和(自身を含む): 41662869048

約数和(自身を除く): 19802721878

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 128589101, 257178202, 642945505, 1285891010, 2186014717, 4372029434, 10930073585, 21860147170]

約数ペア:

[(1, 21860147170), (2, 10930073585), (5, 4372029434), (10, 2186014717), (17, 1285891010), (34, 642945505), (85, 257178202), (170, 128589101)]