21358502

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{7411}}^1$

素因数の和:7555

約数の個数: 16

約数和(自身を含む): 35221824

約数和(自身を除く): 13863322

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 7411, 14822, 81521, 163042, 970841, 1941682, 10679251, 21358502]

約数ペア:

[(1, 21358502), (2, 10679251), (11, 1941682), (22, 970841), (131, 163042), (262, 81521), (1441, 14822), (2882, 7411)]