21605860431

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{42116687}}^1$

素因数の和:42116715

約数の個数: 16

約数和(自身を含む): 33693350400

約数和(自身を除く): 12087489969

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 42116687, 126350061, 379050183, 800217053, 1137150549, 2400651159, 7201953477, 21605860431]

約数ペア:

[(1, 21605860431), (3, 7201953477), (9, 2400651159), (19, 1137150549), (27, 800217053), (57, 379050183), (171, 126350061), (513, 42116687)]