21893937

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{9203}}^1$

素因数の和:9280

約数の個数: 16

約数和(自身を含む): 31956288

約数和(自身を除く): 10062351

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 9203, 27609, 119639, 358917, 561383, 1684149, 7297979, 21893937]

約数ペア:

[(1, 21893937), (3, 7297979), (13, 1684149), (39, 561383), (61, 358917), (183, 119639), (793, 27609), (2379, 9203)]