21339898

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{1019}}^1$

素因数の和:1341

約数の個数: 16

約数和(自身を含む): 33023520

約数和(自身を除く): 11683622

約数列:

[1, 2, 37, 74, 283, 566, 1019, 2038, 10471, 20942, 37703, 75406, 288377, 576754, 10669949, 21339898]

約数ペア:

[(1, 21339898), (2, 10669949), (37, 576754), (74, 288377), (283, 75406), (566, 37703), (1019, 20942), (2038, 10471)]