2171858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{811}}^1$

素因数の和:929

約数の個数: 16

約数和(自身を含む): 3546816

約数和(自身を除く): 1374958

約数列:

[1, 2, 13, 26, 103, 206, 811, 1339, 1622, 2678, 10543, 21086, 83533, 167066, 1085929, 2171858]

約数ペア:

[(1, 2171858), (2, 1085929), (13, 167066), (26, 83533), (103, 21086), (206, 10543), (811, 2678), (1339, 1622)]