21141416

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1291}}^1$

素因数の和:1409

約数の個数: 32

約数和(自身を含む): 41860800

約数和(自身を除く): 20719384

約数列:

[1, 2, 4, 8, 23, 46, 89, 92, 178, 184, 356, 712, 1291, 2047, 2582, 4094, 5164, 8188, 10328, 16376, 29693, 59386, 114899, 118772, 229798, 237544, 459596, 919192, 2642677, 5285354, 10570708, 21141416]

約数ペア:

[(1, 21141416), (2, 10570708), (4, 5285354), (8, 2642677), (23, 919192), (46, 459596), (89, 237544), (92, 229798), (178, 118772), (184, 114899), (356, 59386), (712, 29693), (1291, 16376), (2047, 10328), (2582, 8188), (4094, 5164)]