20211478677

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{761003}}^1$

素因数の和:761249

約数の個数: 24

約数和(自身を含む): 31578621984

約数和(自身を除く): 11367143307

約数列:

[1, 3, 9, 13, 39, 117, 227, 681, 2043, 2951, 8853, 26559, 761003, 2283009, 6849027, 9893039, 29679117, 89037351, 172747681, 518243043, 1554729129, 2245719853, 6737159559, 20211478677]

約数ペア:

[(1, 20211478677), (3, 6737159559), (9, 2245719853), (13, 1554729129), (39, 518243043), (117, 172747681), (227, 89037351), (681, 29679117), (2043, 9893039), (2951, 6849027), (8853, 2283009), (26559, 761003)]