21994804808

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{4259}}^1$

素因数の和:4614

約数の個数: 64

約数和(自身を含む): 43124832000

約数和(自身を除く): 21130027192

約数列:

[1, 2, 4, 8, 37, 73, 74, 146, 148, 239, 292, 296, 478, 584, 956, 1912, 2701, 4259, 5402, 8518, 8843, 10804, 17036, 17447, 17686, 21608, 34072, 34894, 35372, 69788, 70744, 139576, 157583, 310907, 315166, 621814, 630332, 645539, 1017901, 1243628, 1260664, 1291078, 2035802, 2487256, 2582156, 4071604, 5164312, 8143208, 11503559, 23007118, 37662337, 46014236, 74306773, 75324674, 92028472, 148613546, 150649348, 297227092, 301298696, 594454184, 2749350601, 5498701202, 10997402404, 21994804808]

約数ペア:

[(1, 21994804808), (2, 10997402404), (4, 5498701202), (8, 2749350601), (37, 594454184), (73, 301298696), (74, 297227092), (146, 150649348), (148, 148613546), (239, 92028472), (292, 75324674), (296, 74306773), (478, 46014236), (584, 37662337), (956, 23007118), (1912, 11503559), (2701, 8143208), (4259, 5164312), (5402, 4071604), (8518, 2582156), (8843, 2487256), (10804, 2035802), (17036, 1291078), (17447, 1260664), (17686, 1243628), (21608, 1017901), (34072, 645539), (34894, 630332), (35372, 621814), (69788, 315166), (70744, 310907), (139576, 157583)]