21243734902

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{661}}^1\times {\mathrm{10939}}^1$

素因数の和:11728

約数の個数: 32

約数和(自身を含む): 34676036640

約数和(自身を除く): 13432301738

約数列:

[1, 2, 13, 26, 113, 226, 661, 1322, 1469, 2938, 8593, 10939, 17186, 21878, 74693, 142207, 149386, 284414, 971009, 1236107, 1942018, 2472214, 7230679, 14461358, 16069391, 32138782, 93998827, 187997654, 817066727, 1634133454, 10621867451, 21243734902]

約数ペア:

[(1, 21243734902), (2, 10621867451), (13, 1634133454), (26, 817066727), (113, 187997654), (226, 93998827), (661, 32138782), (1322, 16069391), (1469, 14461358), (2938, 7230679), (8593, 2472214), (10939, 1942018), (17186, 1236107), (21878, 971009), (74693, 284414), (142207, 149386)]