21169317

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{11549}}^1$

素因数の和:11612

約数の個数: 16

約数和(自身を含む): 31046400

約数和(自身を除く): 9877083

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 11549, 34647, 150137, 450411, 542803, 1628409, 7056439, 21169317]

約数ペア:

[(1, 21169317), (3, 7056439), (13, 1628409), (39, 542803), (47, 450411), (141, 150137), (611, 34647), (1833, 11549)]