21238052164

素因数分解:

$2^2\times 7^2\times {\mathrm{4691}}^1\times {\mathrm{23099}}^1$

素因数の和:27808

約数の個数: 36

約数和(自身を含む): 43245694800

約数和(自身を除く): 22007642636

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 4691, 9382, 18764, 23099, 32837, 46198, 65674, 92396, 131348, 161693, 229859, 323386, 459718, 646772, 919436, 1131851, 2263702, 4527404, 108357409, 216714818, 433429636, 758501863, 1517003726, 3034007452, 5309513041, 10619026082, 21238052164]

約数ペア:

[(1, 21238052164), (2, 10619026082), (4, 5309513041), (7, 3034007452), (14, 1517003726), (28, 758501863), (49, 433429636), (98, 216714818), (196, 108357409), (4691, 4527404), (9382, 2263702), (18764, 1131851), (23099, 919436), (32837, 646772), (46198, 459718), (65674, 323386), (92396, 229859), (131348, 161693)]