21676376

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1093}}^1$

素因数の和:1203

約数の個数: 32

約数和(自身を含む): 42403440

約数和(自身を除く): 20727064

約数列:

[1, 2, 4, 8, 37, 67, 74, 134, 148, 268, 296, 536, 1093, 2186, 2479, 4372, 4958, 8744, 9916, 19832, 40441, 73231, 80882, 146462, 161764, 292924, 323528, 585848, 2709547, 5419094, 10838188, 21676376]

約数ペア:

[(1, 21676376), (2, 10838188), (4, 5419094), (8, 2709547), (37, 585848), (67, 323528), (74, 292924), (134, 161764), (148, 146462), (268, 80882), (296, 73231), (536, 40441), (1093, 19832), (2186, 9916), (2479, 8744), (4372, 4958)]