21305142

素因数分解:

$2^1\times 3^2\times {\mathrm{101}}^1\times {\mathrm{11719}}^1$

素因数の和:11828

約数の個数: 24

約数和(自身を含む): 46622160

約数和(自身を除く): 25317018

約数列:

[1, 2, 3, 6, 9, 18, 101, 202, 303, 606, 909, 1818, 11719, 23438, 35157, 70314, 105471, 210942, 1183619, 2367238, 3550857, 7101714, 10652571, 21305142]

約数ペア:

[(1, 21305142), (2, 10652571), (3, 7101714), (6, 3550857), (9, 2367238), (18, 1183619), (101, 210942), (202, 105471), (303, 70314), (606, 35157), (909, 23438), (1818, 11719)]