21957591

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{10501}}^1$

素因数の和:10562

約数の個数: 16

約数和(自身を含む): 31758048

約数和(自身を除く): 9800457

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 10501, 31503, 178517, 430541, 535551, 1291623, 7319197, 21957591]

約数ペア:

[(1, 21957591), (3, 7319197), (17, 1291623), (41, 535551), (51, 430541), (123, 178517), (697, 31503), (2091, 10501)]