21174335

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 31570560

約数和(自身を除く): 10396225

約数列:

[1, 5, 7, 13, 35, 65, 91, 173, 269, 455, 865, 1211, 1345, 1883, 2249, 3497, 6055, 9415, 11245, 15743, 17485, 24479, 46537, 78715, 122395, 232685, 325759, 604981, 1628795, 3024905, 4234867, 21174335]

約数ペア:

[(1, 21174335), (5, 4234867), (7, 3024905), (13, 1628795), (35, 604981), (65, 325759), (91, 232685), (173, 122395), (269, 78715), (455, 46537), (865, 24479), (1211, 17485), (1345, 15743), (1883, 11245), (2249, 9415), (3497, 6055)]